Home / 5,328,459.52-7,993,192.56-1,490,280.64

Finding the Fourth Proportional to 5,328,459.52, 7,993,192.56 and 1,490,280.64

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Solution

The fourth proportional to 5,328,459.52, 7,993,192.56 and 1,490,280.64 is: 2,235,561.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,459.52 : 7,993,192.56 = 1,490,280.64 : x
  2. Step 2: Convert to fraction form
    5,328,459.52/7,993,192.56 = 1,490,280.64/x
  3. Step 3: Cross multiply
    5,328,459.52x = 7,993,192.56 × 1,490,280.64
  4. Step 4: Simplify right side
    5,328,459.52x = 11,912,100,123,960.04
  5. Step 5: Solve for x
    x = 11,912,100,123,960.04/5,328,459.52
  6. Step 6: Final answer
    x = 2,235,561.72

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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.