Home / 3,549,705.40-5,325,335.70-1,153,142.20

Finding the Fourth Proportional to 3,549,705.40, 5,325,335.70 and 1,153,142.20

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Solution

The fourth proportional to 3,549,705.40, 5,325,335.70 and 1,153,142.20 is: 1,729,965.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549,705.40 : 5,325,335.70 = 1,153,142.20 : x
  2. Step 2: Convert to fraction form
    3,549,705.40/5,325,335.70 = 1,153,142.20/x
  3. Step 3: Cross multiply
    3,549,705.40x = 5,325,335.70 × 1,153,142.20
  4. Step 4: Simplify right side
    3,549,705.40x = 6,140,869,324,836.54
  5. Step 5: Solve for x
    x = 6,140,869,324,836.54/3,549,705.40
  6. Step 6: Final answer
    x = 1,729,965.91

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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.