Home / 2,877,357.60-3,970,849.68-1,570,687.20

Finding the Fourth Proportional to 2,877,357.60, 3,970,849.68 and 1,570,687.20

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Solution

The fourth proportional to 2,877,357.60, 3,970,849.68 and 1,570,687.20 is: 2,167,600.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,357.60 : 3,970,849.68 = 1,570,687.20 : x
  2. Step 2: Convert to fraction form
    2,877,357.60/3,970,849.68 = 1,570,687.20/x
  3. Step 3: Cross multiply
    2,877,357.60x = 3,970,849.68 × 1,570,687.20
  4. Step 4: Simplify right side
    2,877,357.60x = 6,236,962,765,500.10
  5. Step 5: Solve for x
    x = 6,236,962,765,500.10/2,877,357.60
  6. Step 6: Final answer
    x = 2,167,600.85

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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.