Home / 2,911,512.20-4,367,268.30-2,659,569.80

Finding the Fourth Proportional to 2,911,512.20, 4,367,268.30 and 2,659,569.80

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Solution

The fourth proportional to 2,911,512.20, 4,367,268.30 and 2,659,569.80 is: 3,989,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,512.20 : 4,367,268.30 = 2,659,569.80 : x
  2. Step 2: Convert to fraction form
    2,911,512.20/4,367,268.30 = 2,659,569.80/x
  3. Step 3: Cross multiply
    2,911,512.20x = 4,367,268.30 × 2,659,569.80
  4. Step 4: Simplify right side
    2,911,512.20x = 11,615,054,879,177.34
  5. Step 5: Solve for x
    x = 11,615,054,879,177.34/2,911,512.20
  6. Step 6: Final answer
    x = 3,989,354.70

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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.