Home / 2,724,331.60-4,087,372.20-1,207,428.40

Finding the Fourth Proportional to 2,724,331.60, 4,087,372.20 and 1,207,428.40

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Solution

The fourth proportional to 2,724,331.60, 4,087,372.20 and 1,207,428.40 is: 1,811,530.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724,331.60 : 4,087,372.20 = 1,207,428.40 : x
  2. Step 2: Convert to fraction form
    2,724,331.60/4,087,372.20 = 1,207,428.40/x
  3. Step 3: Cross multiply
    2,724,331.60x = 4,087,372.20 × 1,207,428.40
  4. Step 4: Simplify right side
    2,724,331.60x = 4,935,209,275,650.48
  5. Step 5: Solve for x
    x = 4,935,209,275,650.48/2,724,331.60
  6. Step 6: Final answer
    x = 1,811,530.31

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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.