Home / 2,801,981.70-4,202,972.55-1,845,387.90

Finding the Fourth Proportional to 2,801,981.70, 4,202,972.55 and 1,845,387.90

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Solution

The fourth proportional to 2,801,981.70, 4,202,972.55 and 1,845,387.90 is: 2,768,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801,981.70 : 4,202,972.55 = 1,845,387.90 : x
  2. Step 2: Convert to fraction form
    2,801,981.70/4,202,972.55 = 1,845,387.90/x
  3. Step 3: Cross multiply
    2,801,981.70x = 4,202,972.55 × 1,845,387.90
  4. Step 4: Simplify right side
    2,801,981.70x = 7,756,114,687,802.15
  5. Step 5: Solve for x
    x = 7,756,114,687,802.15/2,801,981.70
  6. Step 6: Final answer
    x = 2,768,081.85

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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.