Home / 2,262,248.50-3,121,922.13-1,243,630.90

Finding the Fourth Proportional to 2,262,248.50, 3,121,922.13 and 1,243,630.90

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Solution

The fourth proportional to 2,262,248.50, 3,121,922.13 and 1,243,630.90 is: 1,716,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262,248.50 : 3,121,922.13 = 1,243,630.90 : x
  2. Step 2: Convert to fraction form
    2,262,248.50/3,121,922.13 = 1,243,630.90/x
  3. Step 3: Cross multiply
    2,262,248.50x = 3,121,922.13 × 1,243,630.90
  4. Step 4: Simplify right side
    2,262,248.50x = 3,882,518,828,261.82
  5. Step 5: Solve for x
    x = 3,882,518,828,261.82/2,262,248.50
  6. Step 6: Final answer
    x = 1,716,221.20

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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.