Home / 3,189,322.10-4,401,637.95-1,812,872.90

Finding the Fourth Proportional to 3,189,322.10, 4,401,637.95 and 1,812,872.90

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Solution

The fourth proportional to 3,189,322.10, 4,401,637.95 and 1,812,872.90 is: 2,501,976.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,322.10 : 4,401,637.95 = 1,812,872.90 : x
  2. Step 2: Convert to fraction form
    3,189,322.10/4,401,637.95 = 1,812,872.90/x
  3. Step 3: Cross multiply
    3,189,322.10x = 4,401,637.95 × 1,812,872.90
  4. Step 4: Simplify right side
    3,189,322.10x = 7,979,610,155,166.56
  5. Step 5: Solve for x
    x = 7,979,610,155,166.56/3,189,322.10
  6. Step 6: Final answer
    x = 2,501,976.88

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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.