Home / 3,279,348.30-4,919,713.65-1,385,114.70

Finding the Fourth Proportional to 3,279,348.30, 4,919,713.65 and 1,385,114.70

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Solution

The fourth proportional to 3,279,348.30, 4,919,713.65 and 1,385,114.70 is: 2,077,964.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279,348.30 : 4,919,713.65 = 1,385,114.70 : x
  2. Step 2: Convert to fraction form
    3,279,348.30/4,919,713.65 = 1,385,114.70/x
  3. Step 3: Cross multiply
    3,279,348.30x = 4,919,713.65 × 1,385,114.70
  4. Step 4: Simplify right side
    3,279,348.30x = 6,814,367,696,405.66
  5. Step 5: Solve for x
    x = 6,814,367,696,405.66/3,279,348.30
  6. Step 6: Final answer
    x = 2,077,964.00

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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.