Home / 5,157,904.80-7,718,486.40-4,491,307.20

Finding the Fourth Proportional to 5,157,904.80, 7,718,486.40 and 4,491,307.20

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Solution

The fourth proportional to 5,157,904.80, 7,718,486.40 and 4,491,307.20 is: 6,720,964.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157,904.80 : 7,718,486.40 = 4,491,307.20 : x
  2. Step 2: Convert to fraction form
    5,157,904.80/7,718,486.40 = 4,491,307.20/x
  3. Step 3: Cross multiply
    5,157,904.80x = 7,718,486.40 × 4,491,307.20
  4. Step 4: Simplify right side
    5,157,904.80x = 34,666,093,541,422.08
  5. Step 5: Solve for x
    x = 34,666,093,541,422.08/5,157,904.80
  6. Step 6: Final answer
    x = 6,720,964.21

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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.