Home / 3,972,332.80-5,958,499.20-1,312,940.80

Finding the Fourth Proportional to 3,972,332.80, 5,958,499.20 and 1,312,940.80

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Solution

The fourth proportional to 3,972,332.80, 5,958,499.20 and 1,312,940.80 is: 1,969,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972,332.80 : 5,958,499.20 = 1,312,940.80 : x
  2. Step 2: Convert to fraction form
    3,972,332.80/5,958,499.20 = 1,312,940.80/x
  3. Step 3: Cross multiply
    3,972,332.80x = 5,958,499.20 × 1,312,940.80
  4. Step 4: Simplify right side
    3,972,332.80x = 7,823,156,706,447.36
  5. Step 5: Solve for x
    x = 7,823,156,706,447.36/3,972,332.80
  6. Step 6: Final answer
    x = 1,969,411.20

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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.