Home / 1,389,734.10-2,084,601.15-1,368,738.90

Finding the Fourth Proportional to 1,389,734.10, 2,084,601.15 and 1,368,738.90

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Solution

The fourth proportional to 1,389,734.10, 2,084,601.15 and 1,368,738.90 is: 2,053,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,734.10 : 2,084,601.15 = 1,368,738.90 : x
  2. Step 2: Convert to fraction form
    1,389,734.10/2,084,601.15 = 1,368,738.90/x
  3. Step 3: Cross multiply
    1,389,734.10x = 2,084,601.15 × 1,368,738.90
  4. Step 4: Simplify right side
    1,389,734.10x = 2,853,274,684,989.74
  5. Step 5: Solve for x
    x = 2,853,274,684,989.74/1,389,734.10
  6. Step 6: Final answer
    x = 2,053,108.35

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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.