Home / 2,891,193.40-4,336,790.10-869,749.30

Finding the Fourth Proportional to 2,891,193.40, 4,336,790.10 and 869,749.30

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Solution

The fourth proportional to 2,891,193.40, 4,336,790.10 and 869,749.30 is: 1,304,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,193.40 : 4,336,790.10 = 869,749.30 : x
  2. Step 2: Convert to fraction form
    2,891,193.40/4,336,790.10 = 869,749.30/x
  3. Step 3: Cross multiply
    2,891,193.40x = 4,336,790.10 × 869,749.30
  4. Step 4: Simplify right side
    2,891,193.40x = 3,771,920,153,721.93
  5. Step 5: Solve for x
    x = 3,771,920,153,721.93/2,891,193.40
  6. Step 6: Final answer
    x = 1,304,623.95

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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.