Home / 3,158,561.68-4,358,815.12-1,708,257.12

Finding the Fourth Proportional to 3,158,561.68, 4,358,815.12 and 1,708,257.12

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Solution

The fourth proportional to 3,158,561.68, 4,358,815.12 and 1,708,257.12 is: 2,357,394.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,561.68 : 4,358,815.12 = 1,708,257.12 : x
  2. Step 2: Convert to fraction form
    3,158,561.68/4,358,815.12 = 1,708,257.12/x
  3. Step 3: Cross multiply
    3,158,561.68x = 4,358,815.12 × 1,708,257.12
  4. Step 4: Simplify right side
    3,158,561.68x = 7,445,976,941,709.58
  5. Step 5: Solve for x
    x = 7,445,976,941,709.58/3,158,561.68
  6. Step 6: Final answer
    x = 2,357,394.82

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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.