Home / 3,189,405.54-4,401,212.85-1,812,565.11

Finding the Fourth Proportional to 3,189,405.54, 4,401,212.85 and 1,812,565.11

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Solution

The fourth proportional to 3,189,405.54, 4,401,212.85 and 1,812,565.11 is: 2,501,245.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,405.54 : 4,401,212.85 = 1,812,565.11 : x
  2. Step 2: Convert to fraction form
    3,189,405.54/4,401,212.85 = 1,812,565.11/x
  3. Step 3: Cross multiply
    3,189,405.54x = 4,401,212.85 × 1,812,565.11
  4. Step 4: Simplify right side
    3,189,405.54x = 7,977,484,853,593.66
  5. Step 5: Solve for x
    x = 7,977,484,853,593.66/3,189,405.54
  6. Step 6: Final answer
    x = 2,501,245.06

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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.