Home / 2,657,428.60-3,986,142.90-974,313.40

Finding the Fourth Proportional to 2,657,428.60, 3,986,142.90 and 974,313.40

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Solution

The fourth proportional to 2,657,428.60, 3,986,142.90 and 974,313.40 is: 1,461,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,428.60 : 3,986,142.90 = 974,313.40 : x
  2. Step 2: Convert to fraction form
    2,657,428.60/3,986,142.90 = 974,313.40/x
  3. Step 3: Cross multiply
    2,657,428.60x = 3,986,142.90 × 974,313.40
  4. Step 4: Simplify right side
    2,657,428.60x = 3,883,752,441,784.86
  5. Step 5: Solve for x
    x = 3,883,752,441,784.86/2,657,428.60
  6. Step 6: Final answer
    x = 1,461,470.10

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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.