Home / 3,313,705.20-4,970,266.20-917,336.40

Finding the Fourth Proportional to 3,313,705.20, 4,970,266.20 and 917,336.40

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Solution

The fourth proportional to 3,313,705.20, 4,970,266.20 and 917,336.40 is: 1,375,923.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313,705.20 : 4,970,266.20 = 917,336.40 : x
  2. Step 2: Convert to fraction form
    3,313,705.20/4,970,266.20 = 917,336.40/x
  3. Step 3: Cross multiply
    3,313,705.20x = 4,970,266.20 × 917,336.40
  4. Step 4: Simplify right side
    3,313,705.20x = 4,559,406,102,949.68
  5. Step 5: Solve for x
    x = 4,559,406,102,949.68/3,313,705.20
  6. Step 6: Final answer
    x = 1,375,923.88

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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.