Home / 3,819,325.10-5,270,732.51-2,187,874.74

Finding the Fourth Proportional to 3,819,325.10, 5,270,732.51 and 2,187,874.74

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Solution

The fourth proportional to 3,819,325.10, 5,270,732.51 and 2,187,874.74 is: 3,019,303.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,325.10 : 5,270,732.51 = 2,187,874.74 : x
  2. Step 2: Convert to fraction form
    3,819,325.10/5,270,732.51 = 2,187,874.74/x
  3. Step 3: Cross multiply
    3,819,325.10x = 5,270,732.51 × 2,187,874.74
  4. Step 4: Simplify right side
    3,819,325.10x = 11,531,702,493,572.13
  5. Step 5: Solve for x
    x = 11,531,702,493,572.13/3,819,325.10
  6. Step 6: Final answer
    x = 3,019,303.72

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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.