Home / 3,112,690.20-4,669,035.30-1,992,024.60

Finding the Fourth Proportional to 3,112,690.20, 4,669,035.30 and 1,992,024.60

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Solution

The fourth proportional to 3,112,690.20, 4,669,035.30 and 1,992,024.60 is: 2,988,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,690.20 : 4,669,035.30 = 1,992,024.60 : x
  2. Step 2: Convert to fraction form
    3,112,690.20/4,669,035.30 = 1,992,024.60/x
  3. Step 3: Cross multiply
    3,112,690.20x = 4,669,035.30 × 1,992,024.60
  4. Step 4: Simplify right side
    3,112,690.20x = 9,300,833,175,868.38
  5. Step 5: Solve for x
    x = 9,300,833,175,868.38/3,112,690.20
  6. Step 6: Final answer
    x = 2,988,036.90

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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.