Home / 5,281,769.15-7,912,338.49-3,640,155.69

Finding the Fourth Proportional to 5,281,769.15, 7,912,338.49 and 3,640,155.69

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Solution

The fourth proportional to 5,281,769.15, 7,912,338.49 and 3,640,155.69 is: 5,453,124.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281,769.15 : 7,912,338.49 = 3,640,155.69 : x
  2. Step 2: Convert to fraction form
    5,281,769.15/7,912,338.49 = 3,640,155.69/x
  3. Step 3: Cross multiply
    5,281,769.15x = 7,912,338.49 × 3,640,155.69
  4. Step 4: Simplify right side
    5,281,769.15x = 28,802,144,009,800.97
  5. Step 5: Solve for x
    x = 28,802,144,009,800.97/5,281,769.15
  6. Step 6: Final answer
    x = 5,453,124.36

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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.