Home / 2,785,291.30-4,178,279.58-1,079,462.89

Finding the Fourth Proportional to 2,785,291.30, 4,178,279.58 and 1,079,462.89

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Solution

The fourth proportional to 2,785,291.30, 4,178,279.58 and 1,079,462.89 is: 1,619,327.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,291.30 : 4,178,279.58 = 1,079,462.89 : x
  2. Step 2: Convert to fraction form
    2,785,291.30/4,178,279.58 = 1,079,462.89/x
  3. Step 3: Cross multiply
    2,785,291.30x = 4,178,279.58 × 1,079,462.89
  4. Step 4: Simplify right side
    2,785,291.30x = 4,510,297,750,654.79
  5. Step 5: Solve for x
    x = 4,510,297,750,654.79/2,785,291.30
  6. Step 6: Final answer
    x = 1,619,327.12

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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.