Home / 3,115,812.70-4,673,281.65-986,112.10

Finding the Fourth Proportional to 3,115,812.70, 4,673,281.65 and 986,112.10

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Solution

The fourth proportional to 3,115,812.70, 4,673,281.65 and 986,112.10 is: 1,479,029.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,812.70 : 4,673,281.65 = 986,112.10 : x
  2. Step 2: Convert to fraction form
    3,115,812.70/4,673,281.65 = 986,112.10/x
  3. Step 3: Cross multiply
    3,115,812.70x = 4,673,281.65 × 986,112.10
  4. Step 4: Simplify right side
    3,115,812.70x = 4,608,379,581,772.97
  5. Step 5: Solve for x
    x = 4,608,379,581,772.97/3,115,812.70
  6. Step 6: Final answer
    x = 1,479,029.72

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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.