Home / 1,949,131.90-2,921,734.52-812,522.90

Finding the Fourth Proportional to 1,949,131.90, 2,921,734.52 and 812,522.90

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Solution

The fourth proportional to 1,949,131.90, 2,921,734.52 and 812,522.90 is: 1,217,965.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,131.90 : 2,921,734.52 = 812,522.90 : x
  2. Step 2: Convert to fraction form
    1,949,131.90/2,921,734.52 = 812,522.90/x
  3. Step 3: Cross multiply
    1,949,131.90x = 2,921,734.52 × 812,522.90
  4. Step 4: Simplify right side
    1,949,131.90x = 2,373,976,205,220.51
  5. Step 5: Solve for x
    x = 2,373,976,205,220.51/1,949,131.90
  6. Step 6: Final answer
    x = 1,217,965.91

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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.