Home / 2,947,324.63-4,420,986.70-817,408.72

Finding the Fourth Proportional to 2,947,324.63, 4,420,986.70 and 817,408.72

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Solution

The fourth proportional to 2,947,324.63, 4,420,986.70 and 817,408.72 is: 1,226,113.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,324.63 : 4,420,986.70 = 817,408.72 : x
  2. Step 2: Convert to fraction form
    2,947,324.63/4,420,986.70 = 817,408.72/x
  3. Step 3: Cross multiply
    2,947,324.63x = 4,420,986.70 × 817,408.72
  4. Step 4: Simplify right side
    2,947,324.63x = 3,613,753,055,435.57
  5. Step 5: Solve for x
    x = 3,613,753,055,435.57/2,947,324.63
  6. Step 6: Final answer
    x = 1,226,113.01

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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.