Home / 2,887,840.50-3,976,318.53-2,564,989.62

Finding the Fourth Proportional to 2,887,840.50, 3,976,318.53 and 2,564,989.62

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Solution

The fourth proportional to 2,887,840.50, 3,976,318.53 and 2,564,989.62 is: 3,531,779.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,840.50 : 3,976,318.53 = 2,564,989.62 : x
  2. Step 2: Convert to fraction form
    2,887,840.50/3,976,318.53 = 2,564,989.62/x
  3. Step 3: Cross multiply
    2,887,840.50x = 3,976,318.53 × 2,564,989.62
  4. Step 4: Simplify right side
    2,887,840.50x = 10,199,215,755,263.66
  5. Step 5: Solve for x
    x = 10,199,215,755,263.66/2,887,840.50
  6. Step 6: Final answer
    x = 3,531,779.46

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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.