Home / 3,158,561.74-4,358,815.20-1,708,257.18

Finding the Fourth Proportional to 3,158,561.74, 4,358,815.20 and 1,708,257.18

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Solution

The fourth proportional to 3,158,561.74, 4,358,815.20 and 1,708,257.18 is: 2,357,394.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,561.74 : 4,358,815.20 = 1,708,257.18 : x
  2. Step 2: Convert to fraction form
    3,158,561.74/4,358,815.20 = 1,708,257.18/x
  3. Step 3: Cross multiply
    3,158,561.74x = 4,358,815.20 × 1,708,257.18
  4. Step 4: Simplify right side
    3,158,561.74x = 7,445,977,361,693.14
  5. Step 5: Solve for x
    x = 7,445,977,361,693.14/3,158,561.74
  6. Step 6: Final answer
    x = 2,357,394.91

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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.