Home / 2,798,101.90-4,197,152.85-905,034.70

Finding the Fourth Proportional to 2,798,101.90, 4,197,152.85 and 905,034.70

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Solution

The fourth proportional to 2,798,101.90, 4,197,152.85 and 905,034.70 is: 1,357,552.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,101.90 : 4,197,152.85 = 905,034.70 : x
  2. Step 2: Convert to fraction form
    2,798,101.90/4,197,152.85 = 905,034.70/x
  3. Step 3: Cross multiply
    2,798,101.90x = 4,197,152.85 × 905,034.70
  4. Step 4: Simplify right side
    2,798,101.90x = 3,798,568,970,453.89
  5. Step 5: Solve for x
    x = 3,798,568,970,453.89/2,798,101.90
  6. Step 6: Final answer
    x = 1,357,552.05

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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.