Home / 3,672,705.20-5,509,057.80-1,148,615.60

Finding the Fourth Proportional to 3,672,705.20, 5,509,057.80 and 1,148,615.60

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Solution

The fourth proportional to 3,672,705.20, 5,509,057.80 and 1,148,615.60 is: 1,722,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672,705.20 : 5,509,057.80 = 1,148,615.60 : x
  2. Step 2: Convert to fraction form
    3,672,705.20/5,509,057.80 = 1,148,615.60/x
  3. Step 3: Cross multiply
    3,672,705.20x = 5,509,057.80 × 1,148,615.60
  4. Step 4: Simplify right side
    3,672,705.20x = 6,327,789,730,381.68
  5. Step 5: Solve for x
    x = 6,327,789,730,381.68/3,672,705.20
  6. Step 6: Final answer
    x = 1,722,923.40

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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.