Home / 2,659,781.40-3,989,672.10-976,666.20

Finding the Fourth Proportional to 2,659,781.40, 3,989,672.10 and 976,666.20

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Solution

The fourth proportional to 2,659,781.40, 3,989,672.10 and 976,666.20 is: 1,464,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,781.40 : 3,989,672.10 = 976,666.20 : x
  2. Step 2: Convert to fraction form
    2,659,781.40/3,989,672.10 = 976,666.20/x
  3. Step 3: Cross multiply
    2,659,781.40x = 3,989,672.10 × 976,666.20
  4. Step 4: Simplify right side
    2,659,781.40x = 3,896,577,889,153.02
  5. Step 5: Solve for x
    x = 3,896,577,889,153.02/2,659,781.40
  6. Step 6: Final answer
    x = 1,464,999.30

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Similar ratio
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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.