Home / 2,811,319.60-4,216,930.20-1,105,640.04

Finding the Fourth Proportional to 2,811,319.60, 4,216,930.20 and 1,105,640.04

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Solution

The fourth proportional to 2,811,319.60, 4,216,930.20 and 1,105,640.04 is: 1,658,440.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,319.60 : 4,216,930.20 = 1,105,640.04 : x
  2. Step 2: Convert to fraction form
    2,811,319.60/4,216,930.20 = 1,105,640.04/x
  3. Step 3: Cross multiply
    2,811,319.60x = 4,216,930.20 × 1,105,640.04
  4. Step 4: Simplify right side
    2,811,319.60x = 4,662,406,875,005.21
  5. Step 5: Solve for x
    x = 4,662,406,875,005.21/2,811,319.60
  6. Step 6: Final answer
    x = 1,658,440.71

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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.