Home / 3,420,705.60-5,129,848.80-1,176,321.60

Finding the Fourth Proportional to 3,420,705.60, 5,129,848.80 and 1,176,321.60

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Solution

The fourth proportional to 3,420,705.60, 5,129,848.80 and 1,176,321.60 is: 1,764,066.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,705.60 : 5,129,848.80 = 1,176,321.60 : x
  2. Step 2: Convert to fraction form
    3,420,705.60/5,129,848.80 = 1,176,321.60/x
  3. Step 3: Cross multiply
    3,420,705.60x = 5,129,848.80 × 1,176,321.60
  4. Step 4: Simplify right side
    3,420,705.60x = 6,034,351,948,174.08
  5. Step 5: Solve for x
    x = 6,034,351,948,174.08/3,420,705.60
  6. Step 6: Final answer
    x = 1,764,066.44

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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.