Home / 3,313,706.70-4,970,268.45-917,337.90

Finding the Fourth Proportional to 3,313,706.70, 4,970,268.45 and 917,337.90

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Solution

The fourth proportional to 3,313,706.70, 4,970,268.45 and 917,337.90 is: 1,375,926.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313,706.70 : 4,970,268.45 = 917,337.90 : x
  2. Step 2: Convert to fraction form
    3,313,706.70/4,970,268.45 = 917,337.90/x
  3. Step 3: Cross multiply
    3,313,706.70x = 4,970,268.45 × 917,337.90
  4. Step 4: Simplify right side
    3,313,706.70x = 4,559,415,622,359.26
  5. Step 5: Solve for x
    x = 4,559,415,622,359.26/3,313,706.70
  6. Step 6: Final answer
    x = 1,375,926.13

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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.