Home / 2,780,765.10-4,171,147.65-887,568.30

Finding the Fourth Proportional to 2,780,765.10, 4,171,147.65 and 887,568.30

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Solution

The fourth proportional to 2,780,765.10, 4,171,147.65 and 887,568.30 is: 1,331,352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,765.10 : 4,171,147.65 = 887,568.30 : x
  2. Step 2: Convert to fraction form
    2,780,765.10/4,171,147.65 = 887,568.30/x
  3. Step 3: Cross multiply
    2,780,765.10x = 4,171,147.65 × 887,568.30
  4. Step 4: Simplify right side
    2,780,765.10x = 3,702,178,428,759.50
  5. Step 5: Solve for x
    x = 3,702,178,428,759.50/2,780,765.10
  6. Step 6: Final answer
    x = 1,331,352.45

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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.