Home / 6,877,577.70-9,491,143.26-3,780,439.20

Finding the Fourth Proportional to 6,877,577.70, 9,491,143.26 and 3,780,439.20

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Solution

The fourth proportional to 6,877,577.70, 9,491,143.26 and 3,780,439.20 is: 5,217,053.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877,577.70 : 9,491,143.26 = 3,780,439.20 : x
  2. Step 2: Convert to fraction form
    6,877,577.70/9,491,143.26 = 3,780,439.20/x
  3. Step 3: Cross multiply
    6,877,577.70x = 9,491,143.26 × 3,780,439.20
  4. Step 4: Simplify right side
    6,877,577.70x = 35,880,690,032,919.79
  5. Step 5: Solve for x
    x = 35,880,690,032,919.79/6,877,577.70
  6. Step 6: Final answer
    x = 5,217,053.39

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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.