Home / 5,290,866.28-7,301,964.90-2,998,780.84

Finding the Fourth Proportional to 5,290,866.28, 7,301,964.90 and 2,998,780.84

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Solution

The fourth proportional to 5,290,866.28, 7,301,964.90 and 2,998,780.84 is: 4,138,640.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290,866.28 : 7,301,964.90 = 2,998,780.84 : x
  2. Step 2: Convert to fraction form
    5,290,866.28/7,301,964.90 = 2,998,780.84/x
  3. Step 3: Cross multiply
    5,290,866.28x = 7,301,964.90 × 2,998,780.84
  4. Step 4: Simplify right side
    5,290,866.28x = 21,896,992,436,472.52
  5. Step 5: Solve for x
    x = 21,896,992,436,472.52/5,290,866.28
  6. Step 6: Final answer
    x = 4,138,640.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.