Home / 1,626,006.12-2,438,129.52-1,291,200.72

Finding the Fourth Proportional to 1,626,006.12, 2,438,129.52 and 1,291,200.72

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Solution

The fourth proportional to 1,626,006.12, 2,438,129.52 and 1,291,200.72 is: 1,936,102.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626,006.12 : 2,438,129.52 = 1,291,200.72 : x
  2. Step 2: Convert to fraction form
    1,626,006.12/2,438,129.52 = 1,291,200.72/x
  3. Step 3: Cross multiply
    1,626,006.12x = 2,438,129.52 × 1,291,200.72
  4. Step 4: Simplify right side
    1,626,006.12x = 3,148,114,591,677.25
  5. Step 5: Solve for x
    x = 3,148,114,591,677.25/1,626,006.12
  6. Step 6: Final answer
    x = 1,936,102.55

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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.