Home / 6,687,938.80-9,230,143.44-3,971,684.80

Finding the Fourth Proportional to 6,687,938.80, 9,230,143.44 and 3,971,684.80

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Solution

The fourth proportional to 6,687,938.80, 9,230,143.44 and 3,971,684.80 is: 5,481,392.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687,938.80 : 9,230,143.44 = 3,971,684.80 : x
  2. Step 2: Convert to fraction form
    6,687,938.80/9,230,143.44 = 3,971,684.80/x
  3. Step 3: Cross multiply
    6,687,938.80x = 9,230,143.44 × 3,971,684.80
  4. Step 4: Simplify right side
    6,687,938.80x = 36,659,220,402,467.71
  5. Step 5: Solve for x
    x = 36,659,220,402,467.71/6,687,938.80
  6. Step 6: Final answer
    x = 5,481,392.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.