Home / 3,746,162.81-5,619,401.41-1,187,321.78

Finding the Fourth Proportional to 3,746,162.81, 5,619,401.41 and 1,187,321.78

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Solution

The fourth proportional to 3,746,162.81, 5,619,401.41 and 1,187,321.78 is: 1,781,032.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746,162.81 : 5,619,401.41 = 1,187,321.78 : x
  2. Step 2: Convert to fraction form
    3,746,162.81/5,619,401.41 = 1,187,321.78/x
  3. Step 3: Cross multiply
    3,746,162.81x = 5,619,401.41 × 1,187,321.78
  4. Step 4: Simplify right side
    3,746,162.81x = 6,672,037,684,655.71
  5. Step 5: Solve for x
    x = 6,672,037,684,655.71/3,746,162.81
  6. Step 6: Final answer
    x = 1,781,032.49

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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.