Home / 3,722,909.01-5,138,131.53-2,091,440.48

Finding the Fourth Proportional to 3,722,909.01, 5,138,131.53 and 2,091,440.48

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Solution

The fourth proportional to 3,722,909.01, 5,138,131.53 and 2,091,440.48 is: 2,886,478.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722,909.01 : 5,138,131.53 = 2,091,440.48 : x
  2. Step 2: Convert to fraction form
    3,722,909.01/5,138,131.53 = 2,091,440.48/x
  3. Step 3: Cross multiply
    3,722,909.01x = 5,138,131.53 × 2,091,440.48
  4. Step 4: Simplify right side
    3,722,909.01x = 10,746,096,255,558.58
  5. Step 5: Solve for x
    x = 10,746,096,255,558.58/3,722,909.01
  6. Step 6: Final answer
    x = 2,886,478.35

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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.