Home / 2,665,820.26-3,678,820.95-1,442,122.90

Finding the Fourth Proportional to 2,665,820.26, 3,678,820.95 and 1,442,122.90

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Solution

The fourth proportional to 2,665,820.26, 3,678,820.95 and 1,442,122.90 is: 1,990,123.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,820.26 : 3,678,820.95 = 1,442,122.90 : x
  2. Step 2: Convert to fraction form
    2,665,820.26/3,678,820.95 = 1,442,122.90/x
  3. Step 3: Cross multiply
    2,665,820.26x = 3,678,820.95 × 1,442,122.90
  4. Step 4: Simplify right side
    2,665,820.26x = 5,305,311,936,994.76
  5. Step 5: Solve for x
    x = 5,305,311,936,994.76/2,665,820.26
  6. Step 6: Final answer
    x = 1,990,123.65

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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.