Home / 3,450,032.10-5,177,449.40-1,428,286.49

Finding the Fourth Proportional to 3,450,032.10, 5,177,449.40 and 1,428,286.49

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Solution

The fourth proportional to 3,450,032.10, 5,177,449.40 and 1,428,286.49 is: 2,143,423.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450,032.10 : 5,177,449.40 = 1,428,286.49 : x
  2. Step 2: Convert to fraction form
    3,450,032.10/5,177,449.40 = 1,428,286.49/x
  3. Step 3: Cross multiply
    3,450,032.10x = 5,177,449.40 × 1,428,286.49
  4. Step 4: Simplify right side
    3,450,032.10x = 7,394,880,997,649.93
  5. Step 5: Solve for x
    x = 7,394,880,997,649.93/3,450,032.10
  6. Step 6: Final answer
    x = 2,143,423.82

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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.