Home / 3,992,707.80-5,989,061.70-1,152,912.60

Finding the Fourth Proportional to 3,992,707.80, 5,989,061.70 and 1,152,912.60

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Solution

The fourth proportional to 3,992,707.80, 5,989,061.70 and 1,152,912.60 is: 1,729,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,707.80 : 5,989,061.70 = 1,152,912.60 : x
  2. Step 2: Convert to fraction form
    3,992,707.80/5,989,061.70 = 1,152,912.60/x
  3. Step 3: Cross multiply
    3,992,707.80x = 5,989,061.70 × 1,152,912.60
  4. Step 4: Simplify right side
    3,992,707.80x = 6,904,864,696,107.42
  5. Step 5: Solve for x
    x = 6,904,864,696,107.42/3,992,707.80
  6. Step 6: Final answer
    x = 1,729,368.90

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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.