Home / 2,187,356.60-3,281,034.90-1,386,039.80

Finding the Fourth Proportional to 2,187,356.60, 3,281,034.90 and 1,386,039.80

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Solution

The fourth proportional to 2,187,356.60, 3,281,034.90 and 1,386,039.80 is: 2,079,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,356.60 : 3,281,034.90 = 1,386,039.80 : x
  2. Step 2: Convert to fraction form
    2,187,356.60/3,281,034.90 = 1,386,039.80/x
  3. Step 3: Cross multiply
    2,187,356.60x = 3,281,034.90 × 1,386,039.80
  4. Step 4: Simplify right side
    2,187,356.60x = 4,547,644,956,589.02
  5. Step 5: Solve for x
    x = 4,547,644,956,589.02/2,187,356.60
  6. Step 6: Final answer
    x = 2,079,059.70

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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.