Home / 3,150,689.80-4,726,034.70-2,907,387.40

Finding the Fourth Proportional to 3,150,689.80, 4,726,034.70 and 2,907,387.40

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Solution

The fourth proportional to 3,150,689.80, 4,726,034.70 and 2,907,387.40 is: 4,361,081.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150,689.80 : 4,726,034.70 = 2,907,387.40 : x
  2. Step 2: Convert to fraction form
    3,150,689.80/4,726,034.70 = 2,907,387.40/x
  3. Step 3: Cross multiply
    3,150,689.80x = 4,726,034.70 × 2,907,387.40
  4. Step 4: Simplify right side
    3,150,689.80x = 13,740,413,738,742.78
  5. Step 5: Solve for x
    x = 13,740,413,738,742.78/3,150,689.80
  6. Step 6: Final answer
    x = 4,361,081.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.