Home / 3,939,281.80-5,909,117.10-2,049,713.80

Finding the Fourth Proportional to 3,939,281.80, 5,909,117.10 and 2,049,713.80

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Solution

The fourth proportional to 3,939,281.80, 5,909,117.10 and 2,049,713.80 is: 3,074,671.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,281.80 : 5,909,117.10 = 2,049,713.80 : x
  2. Step 2: Convert to fraction form
    3,939,281.80/5,909,117.10 = 2,049,713.80/x
  3. Step 3: Cross multiply
    3,939,281.80x = 5,909,117.10 × 2,049,713.80
  4. Step 4: Simplify right side
    3,939,281.80x = 12,111,998,865,685.98
  5. Step 5: Solve for x
    x = 12,111,998,865,685.98/3,939,281.80
  6. Step 6: Final answer
    x = 3,074,671.85

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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.