Home / 2,315,132.28-3,194,305.47-1,335,370.86

Finding the Fourth Proportional to 2,315,132.28, 3,194,305.47 and 1,335,370.86

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Solution

The fourth proportional to 2,315,132.28, 3,194,305.47 and 1,335,370.86 is: 1,842,478.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,132.28 : 3,194,305.47 = 1,335,370.86 : x
  2. Step 2: Convert to fraction form
    2,315,132.28/3,194,305.47 = 1,335,370.86/x
  3. Step 3: Cross multiply
    2,315,132.28x = 3,194,305.47 × 1,335,370.86
  4. Step 4: Simplify right side
    2,315,132.28x = 4,265,582,442,576.61
  5. Step 5: Solve for x
    x = 4,265,582,442,576.61/2,315,132.28
  6. Step 6: Final answer
    x = 1,842,478.93

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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.