Home / 5,375,189.28-7,415,148.16-3,439,898.40

Finding the Fourth Proportional to 5,375,189.28, 7,415,148.16 and 3,439,898.40

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Solution

The fourth proportional to 5,375,189.28, 7,415,148.16 and 3,439,898.40 is: 4,745,387.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375,189.28 : 7,415,148.16 = 3,439,898.40 : x
  2. Step 2: Convert to fraction form
    5,375,189.28/7,415,148.16 = 3,439,898.40/x
  3. Step 3: Cross multiply
    5,375,189.28x = 7,415,148.16 × 3,439,898.40
  4. Step 4: Simplify right side
    5,375,189.28x = 25,507,356,291,346.95
  5. Step 5: Solve for x
    x = 25,507,356,291,346.95/5,375,189.28
  6. Step 6: Final answer
    x = 4,745,387.55

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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.