Home / 3,391,492.80-4,680,259.20-1,863,698.88

Finding the Fourth Proportional to 3,391,492.80, 4,680,259.20 and 1,863,698.88

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Solution

The fourth proportional to 3,391,492.80, 4,680,259.20 and 1,863,698.88 is: 2,571,903.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391,492.80 : 4,680,259.20 = 1,863,698.88 : x
  2. Step 2: Convert to fraction form
    3,391,492.80/4,680,259.20 = 1,863,698.88/x
  3. Step 3: Cross multiply
    3,391,492.80x = 4,680,259.20 × 1,863,698.88
  4. Step 4: Simplify right side
    3,391,492.80x = 8,722,593,829,149.70
  5. Step 5: Solve for x
    x = 8,722,593,829,149.70/3,391,492.80
  6. Step 6: Final answer
    x = 2,571,903.98

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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.