Home / 2,861,618.40-4,292,427.60-866,815.20

Finding the Fourth Proportional to 2,861,618.40, 4,292,427.60 and 866,815.20

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Solution

The fourth proportional to 2,861,618.40, 4,292,427.60 and 866,815.20 is: 1,300,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861,618.40 : 4,292,427.60 = 866,815.20 : x
  2. Step 2: Convert to fraction form
    2,861,618.40/4,292,427.60 = 866,815.20/x
  3. Step 3: Cross multiply
    2,861,618.40x = 4,292,427.60 × 866,815.20
  4. Step 4: Simplify right side
    2,861,618.40x = 3,720,741,488,579.52
  5. Step 5: Solve for x
    x = 3,720,741,488,579.52/2,861,618.40
  6. Step 6: Final answer
    x = 1,300,222.80

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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.