Home / 3,937,808.81-5,906,900.97-1,913,641.22

Finding the Fourth Proportional to 3,937,808.81, 5,906,900.97 and 1,913,641.22

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Solution

The fourth proportional to 3,937,808.81, 5,906,900.97 and 1,913,641.22 is: 2,870,553.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937,808.81 : 5,906,900.97 = 1,913,641.22 : x
  2. Step 2: Convert to fraction form
    3,937,808.81/5,906,900.97 = 1,913,641.22/x
  3. Step 3: Cross multiply
    3,937,808.81x = 5,906,900.97 × 1,913,641.22
  4. Step 4: Simplify right side
    3,937,808.81x = 11,303,689,149,115.48
  5. Step 5: Solve for x
    x = 11,303,689,149,115.48/3,937,808.81
  6. Step 6: Final answer
    x = 2,870,553.07

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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.