Home / 2,605,510.40-3,908,265.60-2,185,606.40

Finding the Fourth Proportional to 2,605,510.40, 3,908,265.60 and 2,185,606.40

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Solution

The fourth proportional to 2,605,510.40, 3,908,265.60 and 2,185,606.40 is: 3,278,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605,510.40 : 3,908,265.60 = 2,185,606.40 : x
  2. Step 2: Convert to fraction form
    2,605,510.40/3,908,265.60 = 2,185,606.40/x
  3. Step 3: Cross multiply
    2,605,510.40x = 3,908,265.60 × 2,185,606.40
  4. Step 4: Simplify right side
    2,605,510.40x = 8,541,930,308,259.84
  5. Step 5: Solve for x
    x = 8,541,930,308,259.84/2,605,510.40
  6. Step 6: Final answer
    x = 3,278,409.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.