Home / 2,887,528.20-4,330,451.34-865,691.40

Finding the Fourth Proportional to 2,887,528.20, 4,330,451.34 and 865,691.40

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Solution

The fourth proportional to 2,887,528.20, 4,330,451.34 and 865,691.40 is: 1,298,284.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,528.20 : 4,330,451.34 = 865,691.40 : x
  2. Step 2: Convert to fraction form
    2,887,528.20/4,330,451.34 = 865,691.40/x
  3. Step 3: Cross multiply
    2,887,528.20x = 4,330,451.34 × 865,691.40
  4. Step 4: Simplify right side
    2,887,528.20x = 3,748,834,483,156.48
  5. Step 5: Solve for x
    x = 3,748,834,483,156.48/2,887,528.20
  6. Step 6: Final answer
    x = 1,298,284.98

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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.