Home / 2,608,901.70-3,913,352.55-715,640.10

Finding the Fourth Proportional to 2,608,901.70, 3,913,352.55 and 715,640.10

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Solution

The fourth proportional to 2,608,901.70, 3,913,352.55 and 715,640.10 is: 1,073,460.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608,901.70 : 3,913,352.55 = 715,640.10 : x
  2. Step 2: Convert to fraction form
    2,608,901.70/3,913,352.55 = 715,640.10/x
  3. Step 3: Cross multiply
    2,608,901.70x = 3,913,352.55 × 715,640.10
  4. Step 4: Simplify right side
    2,608,901.70x = 2,800,552,010,217.26
  5. Step 5: Solve for x
    x = 2,800,552,010,217.26/2,608,901.70
  6. Step 6: Final answer
    x = 1,073,460.15

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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.