Home / 3,319,842.60-4,979,763.90-2,186,101.80

Finding the Fourth Proportional to 3,319,842.60, 4,979,763.90 and 2,186,101.80

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Solution

The fourth proportional to 3,319,842.60, 4,979,763.90 and 2,186,101.80 is: 3,279,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319,842.60 : 4,979,763.90 = 2,186,101.80 : x
  2. Step 2: Convert to fraction form
    3,319,842.60/4,979,763.90 = 2,186,101.80/x
  3. Step 3: Cross multiply
    3,319,842.60x = 4,979,763.90 × 2,186,101.80
  4. Step 4: Simplify right side
    3,319,842.60x = 10,886,270,825,365.02
  5. Step 5: Solve for x
    x = 10,886,270,825,365.02/3,319,842.60
  6. Step 6: Final answer
    x = 3,279,152.70

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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.