Home / 2,291,337.78-3,162,146.22-1,272,742.53

Finding the Fourth Proportional to 2,291,337.78, 3,162,146.22 and 1,272,742.53

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Solution

The fourth proportional to 2,291,337.78, 3,162,146.22 and 1,272,742.53 is: 1,756,440.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291,337.78 : 3,162,146.22 = 1,272,742.53 : x
  2. Step 2: Convert to fraction form
    2,291,337.78/3,162,146.22 = 1,272,742.53/x
  3. Step 3: Cross multiply
    2,291,337.78x = 3,162,146.22 × 1,272,742.53
  4. Step 4: Simplify right side
    2,291,337.78x = 4,024,597,980,272.74
  5. Step 5: Solve for x
    x = 4,024,597,980,272.74/2,291,337.78
  6. Step 6: Final answer
    x = 1,756,440.28

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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.