Home / 2,931,618.60-4,397,209.20-1,225,321.20

Finding the Fourth Proportional to 2,931,618.60, 4,397,209.20 and 1,225,321.20

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Solution

The fourth proportional to 2,931,618.60, 4,397,209.20 and 1,225,321.20 is: 1,837,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,618.60 : 4,397,209.20 = 1,225,321.20 : x
  2. Step 2: Convert to fraction form
    2,931,618.60/4,397,209.20 = 1,225,321.20/x
  3. Step 3: Cross multiply
    2,931,618.60x = 4,397,209.20 × 1,225,321.20
  4. Step 4: Simplify right side
    2,931,618.60x = 5,387,993,653,595.04
  5. Step 5: Solve for x
    x = 5,387,993,653,595.04/2,931,618.60
  6. Step 6: Final answer
    x = 1,837,890.39

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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.