Home / 3,119,555.91-4,304,249.07-1,812,031.16

Finding the Fourth Proportional to 3,119,555.91, 4,304,249.07 and 1,812,031.16

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Solution

The fourth proportional to 3,119,555.91, 4,304,249.07 and 1,812,031.16 is: 2,500,174.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,555.91 : 4,304,249.07 = 1,812,031.16 : x
  2. Step 2: Convert to fraction form
    3,119,555.91/4,304,249.07 = 1,812,031.16/x
  3. Step 3: Cross multiply
    3,119,555.91x = 4,304,249.07 × 1,812,031.16
  4. Step 4: Simplify right side
    3,119,555.91x = 7,799,433,435,241.02
  5. Step 5: Solve for x
    x = 7,799,433,435,241.02/3,119,555.91
  6. Step 6: Final answer
    x = 2,500,174.27

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1.5x scale

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.