Home / 2,891,192.40-4,336,788.60-869,748.30

Finding the Fourth Proportional to 2,891,192.40, 4,336,788.60 and 869,748.30

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Solution

The fourth proportional to 2,891,192.40, 4,336,788.60 and 869,748.30 is: 1,304,622.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,192.40 : 4,336,788.60 = 869,748.30 : x
  2. Step 2: Convert to fraction form
    2,891,192.40/4,336,788.60 = 869,748.30/x
  3. Step 3: Cross multiply
    2,891,192.40x = 4,336,788.60 × 869,748.30
  4. Step 4: Simplify right side
    2,891,192.40x = 3,771,914,512,309.38
  5. Step 5: Solve for x
    x = 3,771,914,512,309.38/2,891,192.40
  6. Step 6: Final answer
    x = 1,304,622.45

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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.