Home / 5,117,266.27-7,675,868.42-1,279,069.43

Finding the Fourth Proportional to 5,117,266.27, 7,675,868.42 and 1,279,069.43

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Solution

The fourth proportional to 5,117,266.27, 7,675,868.42 and 1,279,069.43 is: 1,918,596.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117,266.27 : 7,675,868.42 = 1,279,069.43 : x
  2. Step 2: Convert to fraction form
    5,117,266.27/7,675,868.42 = 1,279,069.43/x
  3. Step 3: Cross multiply
    5,117,266.27x = 7,675,868.42 × 1,279,069.43
  4. Step 4: Simplify right side
    5,117,266.27x = 9,817,968,599,949.71
  5. Step 5: Solve for x
    x = 9,817,968,599,949.71/5,117,266.27
  6. Step 6: Final answer
    x = 1,918,596.39

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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.