Home / 5,191,980.12-7,788,708.13-1,598,046.57

Finding the Fourth Proportional to 5,191,980.12, 7,788,708.13 and 1,598,046.57

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Solution

The fourth proportional to 5,191,980.12, 7,788,708.13 and 1,598,046.57 is: 2,397,296.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191,980.12 : 7,788,708.13 = 1,598,046.57 : x
  2. Step 2: Convert to fraction form
    5,191,980.12/7,788,708.13 = 1,598,046.57/x
  3. Step 3: Cross multiply
    5,191,980.12x = 7,788,708.13 × 1,598,046.57
  4. Step 4: Simplify right side
    5,191,980.12x = 12,446,718,272,934.07
  5. Step 5: Solve for x
    x = 12,446,718,272,934.07/5,191,980.12
  6. Step 6: Final answer
    x = 2,397,296.98

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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.