Home / 1,989,072.18-2,744,919.90-1,083,654.18

Finding the Fourth Proportional to 1,989,072.18, 2,744,919.90 and 1,083,654.18

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Solution

The fourth proportional to 1,989,072.18, 2,744,919.90 and 1,083,654.18 is: 1,495,442.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,072.18 : 2,744,919.90 = 1,083,654.18 : x
  2. Step 2: Convert to fraction form
    1,989,072.18/2,744,919.90 = 1,083,654.18/x
  3. Step 3: Cross multiply
    1,989,072.18x = 2,744,919.90 × 1,083,654.18
  4. Step 4: Simplify right side
    1,989,072.18x = 2,974,543,923,400.18
  5. Step 5: Solve for x
    x = 2,974,543,923,400.18/1,989,072.18
  6. Step 6: Final answer
    x = 1,495,442.93

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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.