Home / 3,129,169.60-4,326,151.32-2,312,084.56

Finding the Fourth Proportional to 3,129,169.60, 4,326,151.32 and 2,312,084.56

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Solution

The fourth proportional to 3,129,169.60, 4,326,151.32 and 2,312,084.56 is: 3,196,511.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,169.60 : 4,326,151.32 = 2,312,084.56 : x
  2. Step 2: Convert to fraction form
    3,129,169.60/4,326,151.32 = 2,312,084.56/x
  3. Step 3: Cross multiply
    3,129,169.60x = 4,326,151.32 × 2,312,084.56
  4. Step 4: Simplify right side
    3,129,169.60x = 10,002,427,671,195.62
  5. Step 5: Solve for x
    x = 10,002,427,671,195.62/3,129,169.60
  6. Step 6: Final answer
    x = 3,196,511.84

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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.