Home / 3,123,909.78-4,690,201-1,608,675.18

Finding the Fourth Proportional to 3,123,909.78, 4,690,201 and 1,608,675.18

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Solution

The fourth proportional to 3,123,909.78, 4,690,201 and 1,608,675.18 is: 2,415,245.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123,909.78 : 4,690,201 = 1,608,675.18 : x
  2. Step 2: Convert to fraction form
    3,123,909.78/4,690,201 = 1,608,675.18/x
  3. Step 3: Cross multiply
    3,123,909.78x = 4,690,201 × 1,608,675.18
  4. Step 4: Simplify right side
    3,123,909.78x = 7,545,009,937,911.18
  5. Step 5: Solve for x
    x = 7,545,009,937,911.18/3,123,909.78
  6. Step 6: Final answer
    x = 2,415,245.79

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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.