Home / 1,984,842.32-2,739,023.88-1,125,481.04

Finding the Fourth Proportional to 1,984,842.32, 2,739,023.88 and 1,125,481.04

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Solution

The fourth proportional to 1,984,842.32, 2,739,023.88 and 1,125,481.04 is: 1,553,130.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,842.32 : 2,739,023.88 = 1,125,481.04 : x
  2. Step 2: Convert to fraction form
    1,984,842.32/2,739,023.88 = 1,125,481.04/x
  3. Step 3: Cross multiply
    1,984,842.32x = 2,739,023.88 × 1,125,481.04
  4. Step 4: Simplify right side
    1,984,842.32x = 3,082,719,445,047.24
  5. Step 5: Solve for x
    x = 3,082,719,445,047.24/1,984,842.32
  6. Step 6: Final answer
    x = 1,553,130.65

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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.