Home / 3,147,005.20-4,719,350.31-1,124,702.50

Finding the Fourth Proportional to 3,147,005.20, 4,719,350.31 and 1,124,702.50

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Solution

The fourth proportional to 3,147,005.20, 4,719,350.31 and 1,124,702.50 is: 1,686,640.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,005.20 : 4,719,350.31 = 1,124,702.50 : x
  2. Step 2: Convert to fraction form
    3,147,005.20/4,719,350.31 = 1,124,702.50/x
  3. Step 3: Cross multiply
    3,147,005.20x = 4,719,350.31 × 1,124,702.50
  4. Step 4: Simplify right side
    3,147,005.20x = 5,307,865,092,032.77
  5. Step 5: Solve for x
    x = 5,307,865,092,032.77/3,147,005.20
  6. Step 6: Final answer
    x = 1,686,640.08

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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.