Home / 3,115,884.09-4,682,045.86-1,677,630.88

Finding the Fourth Proportional to 3,115,884.09, 4,682,045.86 and 1,677,630.88

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Solution

The fourth proportional to 3,115,884.09, 4,682,045.86 and 1,677,630.88 is: 2,520,871.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,884.09 : 4,682,045.86 = 1,677,630.88 : x
  2. Step 2: Convert to fraction form
    3,115,884.09/4,682,045.86 = 1,677,630.88/x
  3. Step 3: Cross multiply
    3,115,884.09x = 4,682,045.86 × 1,677,630.88
  4. Step 4: Simplify right side
    3,115,884.09x = 7,854,744,700,412.97
  5. Step 5: Solve for x
    x = 7,854,744,700,412.97/3,115,884.09
  6. Step 6: Final answer
    x = 2,520,871.92

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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.