Home / 2,079,274.60-3,119,948.70-1,181,405.80

Finding the Fourth Proportional to 2,079,274.60, 3,119,948.70 and 1,181,405.80

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Solution

The fourth proportional to 2,079,274.60, 3,119,948.70 and 1,181,405.80 is: 1,772,697.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,274.60 : 3,119,948.70 = 1,181,405.80 : x
  2. Step 2: Convert to fraction form
    2,079,274.60/3,119,948.70 = 1,181,405.80/x
  3. Step 3: Cross multiply
    2,079,274.60x = 3,119,948.70 × 1,181,405.80
  4. Step 4: Simplify right side
    2,079,274.60x = 3,685,925,489,882.46
  5. Step 5: Solve for x
    x = 3,685,925,489,882.46/2,079,274.60
  6. Step 6: Final answer
    x = 1,772,697.79

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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.