Home / 2,974,900.05-4,103,959.86-2,157,310.17

Finding the Fourth Proportional to 2,974,900.05, 4,103,959.86 and 2,157,310.17

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Solution

The fourth proportional to 2,974,900.05, 4,103,959.86 and 2,157,310.17 is: 2,976,071.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974,900.05 : 4,103,959.86 = 2,157,310.17 : x
  2. Step 2: Convert to fraction form
    2,974,900.05/4,103,959.86 = 2,157,310.17/x
  3. Step 3: Cross multiply
    2,974,900.05x = 4,103,959.86 × 2,157,310.17
  4. Step 4: Simplify right side
    2,974,900.05x = 8,853,514,343,249.78
  5. Step 5: Solve for x
    x = 8,853,514,343,249.78/2,974,900.05
  6. Step 6: Final answer
    x = 2,976,071.19

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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.