Home / 1,693,027.20-2,539,540.80-1,319,329.92

Finding the Fourth Proportional to 1,693,027.20, 2,539,540.80 and 1,319,329.92

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Solution

The fourth proportional to 1,693,027.20, 2,539,540.80 and 1,319,329.92 is: 1,978,994.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,027.20 : 2,539,540.80 = 1,319,329.92 : x
  2. Step 2: Convert to fraction form
    1,693,027.20/2,539,540.80 = 1,319,329.92/x
  3. Step 3: Cross multiply
    1,693,027.20x = 2,539,540.80 × 1,319,329.92
  4. Step 4: Simplify right side
    1,693,027.20x = 3,350,492,160,500.74
  5. Step 5: Solve for x
    x = 3,350,492,160,500.74/1,693,027.20
  6. Step 6: Final answer
    x = 1,978,994.88

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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.