Home / 2,187,065.40-3,280,598.10-1,840,644.60

Finding the Fourth Proportional to 2,187,065.40, 3,280,598.10 and 1,840,644.60

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Solution

The fourth proportional to 2,187,065.40, 3,280,598.10 and 1,840,644.60 is: 2,760,966.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,065.40 : 3,280,598.10 = 1,840,644.60 : x
  2. Step 2: Convert to fraction form
    2,187,065.40/3,280,598.10 = 1,840,644.60/x
  3. Step 3: Cross multiply
    2,187,065.40x = 3,280,598.10 × 1,840,644.60
  4. Step 4: Simplify right side
    2,187,065.40x = 6,038,415,177,535.26
  5. Step 5: Solve for x
    x = 6,038,415,177,535.26/2,187,065.40
  6. Step 6: Final answer
    x = 2,760,966.90

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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.