Home / 2,657,910.40-3,986,217.60-764,454.40

Finding the Fourth Proportional to 2,657,910.40, 3,986,217.60 and 764,454.40

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Solution

The fourth proportional to 2,657,910.40, 3,986,217.60 and 764,454.40 is: 1,146,495.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,910.40 : 3,986,217.60 = 764,454.40 : x
  2. Step 2: Convert to fraction form
    2,657,910.40/3,986,217.60 = 764,454.40/x
  3. Step 3: Cross multiply
    2,657,910.40x = 3,986,217.60 × 764,454.40
  4. Step 4: Simplify right side
    2,657,910.40x = 3,047,281,583,677.44
  5. Step 5: Solve for x
    x = 3,047,281,583,677.44/2,657,910.40
  6. Step 6: Final answer
    x = 1,146,495.23

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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.