Home / 3,182,979.42-4,392,512.08-1,732,685.86

Finding the Fourth Proportional to 3,182,979.42, 4,392,512.08 and 1,732,685.86

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Solution

The fourth proportional to 3,182,979.42, 4,392,512.08 and 1,732,685.86 is: 2,391,106.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182,979.42 : 4,392,512.08 = 1,732,685.86 : x
  2. Step 2: Convert to fraction form
    3,182,979.42/4,392,512.08 = 1,732,685.86/x
  3. Step 3: Cross multiply
    3,182,979.42x = 4,392,512.08 × 1,732,685.86
  4. Step 4: Simplify right side
    3,182,979.42x = 7,610,843,570,895.19
  5. Step 5: Solve for x
    x = 7,610,843,570,895.19/3,182,979.42
  6. Step 6: Final answer
    x = 2,391,106.75

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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.