Home / 5,138,503.35-7,090,617.78-2,846,235.75

Finding the Fourth Proportional to 5,138,503.35, 7,090,617.78 and 2,846,235.75

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Solution

The fourth proportional to 5,138,503.35, 7,090,617.78 and 2,846,235.75 is: 3,927,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,503.35 : 7,090,617.78 = 2,846,235.75 : x
  2. Step 2: Convert to fraction form
    5,138,503.35/7,090,617.78 = 2,846,235.75/x
  3. Step 3: Cross multiply
    5,138,503.35x = 7,090,617.78 × 2,846,235.75
  4. Step 4: Simplify right side
    5,138,503.35x = 20,181,569,815,021.64
  5. Step 5: Solve for x
    x = 20,181,569,815,021.64/5,138,503.35
  6. Step 6: Final answer
    x = 3,927,519.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.