Home / 1,868,672.70-2,806,119.45-1,027,827.90

Finding the Fourth Proportional to 1,868,672.70, 2,806,119.45 and 1,027,827.90

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Solution

The fourth proportional to 1,868,672.70, 2,806,119.45 and 1,027,827.90 is: 1,543,452.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,672.70 : 2,806,119.45 = 1,027,827.90 : x
  2. Step 2: Convert to fraction form
    1,868,672.70/2,806,119.45 = 1,027,827.90/x
  3. Step 3: Cross multiply
    1,868,672.70x = 2,806,119.45 × 1,027,827.90
  4. Step 4: Simplify right side
    1,868,672.70x = 2,884,207,861,442.66
  5. Step 5: Solve for x
    x = 2,884,207,861,442.66/1,868,672.70
  6. Step 6: Final answer
    x = 1,543,452.67

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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.