Home / 3,746,161.81-5,619,399.91-1,187,320.78

Finding the Fourth Proportional to 3,746,161.81, 5,619,399.91 and 1,187,320.78

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Solution

The fourth proportional to 3,746,161.81, 5,619,399.91 and 1,187,320.78 is: 1,781,030.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746,161.81 : 5,619,399.91 = 1,187,320.78 : x
  2. Step 2: Convert to fraction form
    3,746,161.81/5,619,399.91 = 1,187,320.78/x
  3. Step 3: Cross multiply
    3,746,161.81x = 5,619,399.91 × 1,187,320.78
  4. Step 4: Simplify right side
    3,746,161.81x = 6,672,030,288,329.08
  5. Step 5: Solve for x
    x = 6,672,030,288,329.08/3,746,161.81
  6. Step 6: Final answer
    x = 1,781,030.99

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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.