Home / 2,807,932.68-4,212,423.72-1,125,167.40

Finding the Fourth Proportional to 2,807,932.68, 4,212,423.72 and 1,125,167.40

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Solution

The fourth proportional to 2,807,932.68, 4,212,423.72 and 1,125,167.40 is: 1,687,961.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807,932.68 : 4,212,423.72 = 1,125,167.40 : x
  2. Step 2: Convert to fraction form
    2,807,932.68/4,212,423.72 = 1,125,167.40/x
  3. Step 3: Cross multiply
    2,807,932.68x = 4,212,423.72 × 1,125,167.40
  4. Step 4: Simplify right side
    2,807,932.68x = 4,739,681,844,730.73
  5. Step 5: Solve for x
    x = 4,739,681,844,730.73/2,807,932.68
  6. Step 6: Final answer
    x = 1,687,961.35

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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.