Home / 3,313,334.70-4,969,448.40-917,421.52

Finding the Fourth Proportional to 3,313,334.70, 4,969,448.40 and 917,421.52

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Solution

The fourth proportional to 3,313,334.70, 4,969,448.40 and 917,421.52 is: 1,375,978.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313,334.70 : 4,969,448.40 = 917,421.52 : x
  2. Step 2: Convert to fraction form
    3,313,334.70/4,969,448.40 = 917,421.52/x
  3. Step 3: Cross multiply
    3,313,334.70x = 4,969,448.40 × 917,421.52
  4. Step 4: Simplify right side
    3,313,334.70x = 4,559,078,904,689.57
  5. Step 5: Solve for x
    x = 4,559,078,904,689.57/3,313,334.70
  6. Step 6: Final answer
    x = 1,375,978.98

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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.