Home / 2,376,479.91-3,279,543.12-1,288,751.16

Finding the Fourth Proportional to 2,376,479.91, 3,279,543.12 and 1,288,751.16

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Solution

The fourth proportional to 2,376,479.91, 3,279,543.12 and 1,288,751.16 is: 1,778,477.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376,479.91 : 3,279,543.12 = 1,288,751.16 : x
  2. Step 2: Convert to fraction form
    2,376,479.91/3,279,543.12 = 1,288,751.16/x
  3. Step 3: Cross multiply
    2,376,479.91x = 3,279,543.12 × 1,288,751.16
  4. Step 4: Simplify right side
    2,376,479.91x = 4,226,515,000,170.02
  5. Step 5: Solve for x
    x = 4,226,515,000,170.02/2,376,479.91
  6. Step 6: Final answer
    x = 1,778,477.06

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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.