Home / 2,784,443.60-4,176,665.40-1,899,707.60

Finding the Fourth Proportional to 2,784,443.60, 4,176,665.40 and 1,899,707.60

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Solution

The fourth proportional to 2,784,443.60, 4,176,665.40 and 1,899,707.60 is: 2,849,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,443.60 : 4,176,665.40 = 1,899,707.60 : x
  2. Step 2: Convert to fraction form
    2,784,443.60/4,176,665.40 = 1,899,707.60/x
  3. Step 3: Cross multiply
    2,784,443.60x = 4,176,665.40 × 1,899,707.60
  4. Step 4: Simplify right side
    2,784,443.60x = 7,934,443,003,037.04
  5. Step 5: Solve for x
    x = 7,934,443,003,037.04/2,784,443.60
  6. Step 6: Final answer
    x = 2,849,561.40

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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.