Home / 4,914,829.20-7,372,243.80-2,789,065.20

Finding the Fourth Proportional to 4,914,829.20, 7,372,243.80 and 2,789,065.20

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Solution

The fourth proportional to 4,914,829.20, 7,372,243.80 and 2,789,065.20 is: 4,183,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914,829.20 : 7,372,243.80 = 2,789,065.20 : x
  2. Step 2: Convert to fraction form
    4,914,829.20/7,372,243.80 = 2,789,065.20/x
  3. Step 3: Cross multiply
    4,914,829.20x = 7,372,243.80 × 2,789,065.20
  4. Step 4: Simplify right side
    4,914,829.20x = 20,561,668,628,495.76
  5. Step 5: Solve for x
    x = 20,561,668,628,495.76/4,914,829.20
  6. Step 6: Final answer
    x = 4,183,597.80

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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.