Home / 3,558,697.70-5,338,046.55-1,639,605.20

Finding the Fourth Proportional to 3,558,697.70, 5,338,046.55 and 1,639,605.20

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Solution

The fourth proportional to 3,558,697.70, 5,338,046.55 and 1,639,605.20 is: 2,459,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558,697.70 : 5,338,046.55 = 1,639,605.20 : x
  2. Step 2: Convert to fraction form
    3,558,697.70/5,338,046.55 = 1,639,605.20/x
  3. Step 3: Cross multiply
    3,558,697.70x = 5,338,046.55 × 1,639,605.20
  4. Step 4: Simplify right side
    3,558,697.70x = 8,752,288,881,222.06
  5. Step 5: Solve for x
    x = 8,752,288,881,222.06/3,558,697.70
  6. Step 6: Final answer
    x = 2,459,407.80

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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.