Home / 2,887,842.50-3,976,321.28-2,564,991.62

Finding the Fourth Proportional to 2,887,842.50, 3,976,321.28 and 2,564,991.62

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Solution

The fourth proportional to 2,887,842.50, 3,976,321.28 and 2,564,991.62 is: 3,531,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,842.50 : 3,976,321.28 = 2,564,991.62 : x
  2. Step 2: Convert to fraction form
    2,887,842.50/3,976,321.28 = 2,564,991.62/x
  3. Step 3: Cross multiply
    2,887,842.50x = 3,976,321.28 × 2,564,991.62
  4. Step 4: Simplify right side
    2,887,842.50x = 10,199,230,761,627.67
  5. Step 5: Solve for x
    x = 10,199,230,761,627.67/2,887,842.50
  6. Step 6: Final answer
    x = 3,531,782.21

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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.