Home / 4,920,372.28-7,380,060.11-1,326,502.52

Finding the Fourth Proportional to 4,920,372.28, 7,380,060.11 and 1,326,502.52

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Solution

The fourth proportional to 4,920,372.28, 7,380,060.11 and 1,326,502.52 is: 1,989,619.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,372.28 : 7,380,060.11 = 1,326,502.52 : x
  2. Step 2: Convert to fraction form
    4,920,372.28/7,380,060.11 = 1,326,502.52/x
  3. Step 3: Cross multiply
    4,920,372.28x = 7,380,060.11 × 1,326,502.52
  4. Step 4: Simplify right side
    4,920,372.28x = 9,789,668,333,666.48
  5. Step 5: Solve for x
    x = 9,789,668,333,666.48/4,920,372.28
  6. Step 6: Final answer
    x = 1,989,619.44

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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.