Home / 2,847,348.30-3,929,340.69-1,558,189.20

Finding the Fourth Proportional to 2,847,348.30, 3,929,340.69 and 1,558,189.20

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Solution

The fourth proportional to 2,847,348.30, 3,929,340.69 and 1,558,189.20 is: 2,150,301.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,348.30 : 3,929,340.69 = 1,558,189.20 : x
  2. Step 2: Convert to fraction form
    2,847,348.30/3,929,340.69 = 1,558,189.20/x
  3. Step 3: Cross multiply
    2,847,348.30x = 3,929,340.69 × 1,558,189.20
  4. Step 4: Simplify right side
    2,847,348.30x = 6,122,656,226,278.55
  5. Step 5: Solve for x
    x = 6,122,656,226,278.55/2,847,348.30
  6. Step 6: Final answer
    x = 2,150,301.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.