Home / 2,123,257.68-2,932,042.92-1,349,143.50

Finding the Fourth Proportional to 2,123,257.68, 2,932,042.92 and 1,349,143.50

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Solution

The fourth proportional to 2,123,257.68, 2,932,042.92 and 1,349,143.50 is: 1,863,055.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,257.68 : 2,932,042.92 = 1,349,143.50 : x
  2. Step 2: Convert to fraction form
    2,123,257.68/2,932,042.92 = 1,349,143.50/x
  3. Step 3: Cross multiply
    2,123,257.68x = 2,932,042.92 × 1,349,143.50
  4. Step 4: Simplify right side
    2,123,257.68x = 3,955,746,647,239.02
  5. Step 5: Solve for x
    x = 3,955,746,647,239.02/2,123,257.68
  6. Step 6: Final answer
    x = 1,863,055.38

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1.5x scale

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.