Home / 3,486,389.70-5,229,584.55-2,928,376.65

Finding the Fourth Proportional to 3,486,389.70, 5,229,584.55 and 2,928,376.65

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Solution

The fourth proportional to 3,486,389.70, 5,229,584.55 and 2,928,376.65 is: 4,392,564.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486,389.70 : 5,229,584.55 = 2,928,376.65 : x
  2. Step 2: Convert to fraction form
    3,486,389.70/5,229,584.55 = 2,928,376.65/x
  3. Step 3: Cross multiply
    3,486,389.70x = 5,229,584.55 × 2,928,376.65
  4. Step 4: Simplify right side
    3,486,389.70x = 15,314,193,285,420.76
  5. Step 5: Solve for x
    x = 15,314,193,285,420.76/3,486,389.70
  6. Step 6: Final answer
    x = 4,392,564.98

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Similar ratio
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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.