Home / 2,376,448.97-3,279,500.32-1,288,720.22

Finding the Fourth Proportional to 2,376,448.97, 3,279,500.32 and 1,288,720.22

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Solution

The fourth proportional to 2,376,448.97, 3,279,500.32 and 1,288,720.22 is: 1,778,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376,448.97 : 3,279,500.32 = 1,288,720.22 : x
  2. Step 2: Convert to fraction form
    2,376,448.97/3,279,500.32 = 1,288,720.22/x
  3. Step 3: Cross multiply
    2,376,448.97x = 3,279,500.32 × 1,288,720.22
  4. Step 4: Simplify right side
    2,376,448.97x = 4,226,358,357,482.97
  5. Step 5: Solve for x
    x = 4,226,358,357,482.97/2,376,448.97
  6. Step 6: Final answer
    x = 1,778,434.30

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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.