Home / 3,992,223.40-5,989,112.70-1,152,428.20

Finding the Fourth Proportional to 3,992,223.40, 5,989,112.70 and 1,152,428.20

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Solution

The fourth proportional to 3,992,223.40, 5,989,112.70 and 1,152,428.20 is: 1,728,866.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,223.40 : 5,989,112.70 = 1,152,428.20 : x
  2. Step 2: Convert to fraction form
    3,992,223.40/5,989,112.70 = 1,152,428.20/x
  3. Step 3: Cross multiply
    3,992,223.40x = 5,989,112.70 × 1,152,428.20
  4. Step 4: Simplify right side
    3,992,223.40x = 6,902,022,368,458.14
  5. Step 5: Solve for x
    x = 6,902,022,368,458.14/3,992,223.40
  6. Step 6: Final answer
    x = 1,728,866.77

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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.