Home / 3,450,498.78-5,176,708.35-1,505,397.54

Finding the Fourth Proportional to 3,450,498.78, 5,176,708.35 and 1,505,397.54

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Solution

The fourth proportional to 3,450,498.78, 5,176,708.35 and 1,505,397.54 is: 2,258,515.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450,498.78 : 5,176,708.35 = 1,505,397.54 : x
  2. Step 2: Convert to fraction form
    3,450,498.78/5,176,708.35 = 1,505,397.54/x
  3. Step 3: Cross multiply
    3,450,498.78x = 5,176,708.35 × 1,505,397.54
  4. Step 4: Simplify right side
    3,450,498.78x = 7,793,004,015,387.46
  5. Step 5: Solve for x
    x = 7,793,004,015,387.46/3,450,498.78
  6. Step 6: Final answer
    x = 2,258,515.22

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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.