Home / 3,121,315.80-4,681,973.70-2,934,691.80

Finding the Fourth Proportional to 3,121,315.80, 4,681,973.70 and 2,934,691.80

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Solution

The fourth proportional to 3,121,315.80, 4,681,973.70 and 2,934,691.80 is: 4,402,037.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,315.80 : 4,681,973.70 = 2,934,691.80 : x
  2. Step 2: Convert to fraction form
    3,121,315.80/4,681,973.70 = 2,934,691.80/x
  3. Step 3: Cross multiply
    3,121,315.80x = 4,681,973.70 × 2,934,691.80
  4. Step 4: Simplify right side
    3,121,315.80x = 13,740,149,825,205.66
  5. Step 5: Solve for x
    x = 13,740,149,825,205.66/3,121,315.80
  6. Step 6: Final answer
    x = 4,402,037.70

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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.