Home / 2,771,534.40-4,156,912.80-878,467.20

Finding the Fourth Proportional to 2,771,534.40, 4,156,912.80 and 878,467.20

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Solution

The fourth proportional to 2,771,534.40, 4,156,912.80 and 878,467.20 is: 1,317,577.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771,534.40 : 4,156,912.80 = 878,467.20 : x
  2. Step 2: Convert to fraction form
    2,771,534.40/4,156,912.80 = 878,467.20/x
  3. Step 3: Cross multiply
    2,771,534.40x = 4,156,912.80 × 878,467.20
  4. Step 4: Simplify right side
    2,771,534.40x = 3,651,711,548,060.16
  5. Step 5: Solve for x
    x = 3,651,711,548,060.16/2,771,534.40
  6. Step 6: Final answer
    x = 1,317,577.57

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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.