Home / 2,691,439.95-3,714,104.02-1,530,013.15

Finding the Fourth Proportional to 2,691,439.95, 3,714,104.02 and 1,530,013.15

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Solution

The fourth proportional to 2,691,439.95, 3,714,104.02 and 1,530,013.15 is: 2,111,370.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691,439.95 : 3,714,104.02 = 1,530,013.15 : x
  2. Step 2: Convert to fraction form
    2,691,439.95/3,714,104.02 = 1,530,013.15/x
  3. Step 3: Cross multiply
    2,691,439.95x = 3,714,104.02 × 1,530,013.15
  4. Step 4: Simplify right side
    2,691,439.95x = 5,682,627,964,847.28
  5. Step 5: Solve for x
    x = 5,682,627,964,847.28/2,691,439.95
  6. Step 6: Final answer
    x = 2,111,370.89

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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.