Home / 2,486,819.20-3,730,228.80-889,434.40

Finding the Fourth Proportional to 2,486,819.20, 3,730,228.80 and 889,434.40

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Solution

The fourth proportional to 2,486,819.20, 3,730,228.80 and 889,434.40 is: 1,334,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,819.20 : 3,730,228.80 = 889,434.40 : x
  2. Step 2: Convert to fraction form
    2,486,819.20/3,730,228.80 = 889,434.40/x
  3. Step 3: Cross multiply
    2,486,819.20x = 3,730,228.80 × 889,434.40
  4. Step 4: Simplify right side
    2,486,819.20x = 3,317,793,814,590.72
  5. Step 5: Solve for x
    x = 3,317,793,814,590.72/2,486,819.20
  6. Step 6: Final answer
    x = 1,334,151.60

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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.