Home / 3,313,333.19-4,969,446.15-917,420.02

Finding the Fourth Proportional to 3,313,333.19, 4,969,446.15 and 917,420.02

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Solution

The fourth proportional to 3,313,333.19, 4,969,446.15 and 917,420.02 is: 1,375,976.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313,333.19 : 4,969,446.15 = 917,420.02 : x
  2. Step 2: Convert to fraction form
    3,313,333.19/4,969,446.15 = 917,420.02/x
  3. Step 3: Cross multiply
    3,313,333.19x = 4,969,446.15 × 917,420.02
  4. Step 4: Simplify right side
    3,313,333.19x = 4,559,069,386,321.92
  5. Step 5: Solve for x
    x = 4,559,069,386,321.92/3,313,333.19
  6. Step 6: Final answer
    x = 1,375,976.74

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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.