Home / 2,543,749.60-3,815,624.40-650,639.20

Finding the Fourth Proportional to 2,543,749.60, 3,815,624.40 and 650,639.20

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Solution

The fourth proportional to 2,543,749.60, 3,815,624.40 and 650,639.20 is: 975,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543,749.60 : 3,815,624.40 = 650,639.20 : x
  2. Step 2: Convert to fraction form
    2,543,749.60/3,815,624.40 = 650,639.20/x
  3. Step 3: Cross multiply
    2,543,749.60x = 3,815,624.40 × 650,639.20
  4. Step 4: Simplify right side
    2,543,749.60x = 2,482,594,807,116.48
  5. Step 5: Solve for x
    x = 2,482,594,807,116.48/2,543,749.60
  6. Step 6: Final answer
    x = 975,958.80

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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.