Home / 3,313,268.48-4,969,909.74-917,120

Finding the Fourth Proportional to 3,313,268.48, 4,969,909.74 and 917,120

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Solution

The fourth proportional to 3,313,268.48, 4,969,909.74 and 917,120 is: 1,375,681.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313,268.48 : 4,969,909.74 = 917,120 : x
  2. Step 2: Convert to fraction form
    3,313,268.48/4,969,909.74 = 917,120/x
  3. Step 3: Cross multiply
    3,313,268.48x = 4,969,909.74 × 917,120
  4. Step 4: Simplify right side
    3,313,268.48x = 4,558,003,620,748.80
  5. Step 5: Solve for x
    x = 4,558,003,620,748.80/3,313,268.48
  6. Step 6: Final answer
    x = 1,375,681.94

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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.