Home / 5,459,857.60-8,189,786.40-3,668,267.20

Finding the Fourth Proportional to 5,459,857.60, 8,189,786.40 and 3,668,267.20

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Solution

The fourth proportional to 5,459,857.60, 8,189,786.40 and 3,668,267.20 is: 5,502,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459,857.60 : 8,189,786.40 = 3,668,267.20 : x
  2. Step 2: Convert to fraction form
    5,459,857.60/8,189,786.40 = 3,668,267.20/x
  3. Step 3: Cross multiply
    5,459,857.60x = 8,189,786.40 × 3,668,267.20
  4. Step 4: Simplify right side
    5,459,857.60x = 30,042,324,826,126.08
  5. Step 5: Solve for x
    x = 30,042,324,826,126.08/5,459,857.60
  6. Step 6: Final answer
    x = 5,502,400.80

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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.