Home / 2,195,621.70-3,293,432.55-777,279.30

Finding the Fourth Proportional to 2,195,621.70, 3,293,432.55 and 777,279.30

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Solution

The fourth proportional to 2,195,621.70, 3,293,432.55 and 777,279.30 is: 1,165,918.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,621.70 : 3,293,432.55 = 777,279.30 : x
  2. Step 2: Convert to fraction form
    2,195,621.70/3,293,432.55 = 777,279.30/x
  3. Step 3: Cross multiply
    2,195,621.70x = 3,293,432.55 × 777,279.30
  4. Step 4: Simplify right side
    2,195,621.70x = 2,559,916,947,061.22
  5. Step 5: Solve for x
    x = 2,559,916,947,061.22/2,195,621.70
  6. Step 6: Final answer
    x = 1,165,918.95

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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.