Home / 3,638,032.20-5,456,117.43-1,078,648.74

Finding the Fourth Proportional to 3,638,032.20, 5,456,117.43 and 1,078,648.74

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Solution

The fourth proportional to 3,638,032.20, 5,456,117.43 and 1,078,648.74 is: 1,617,697.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,032.20 : 5,456,117.43 = 1,078,648.74 : x
  2. Step 2: Convert to fraction form
    3,638,032.20/5,456,117.43 = 1,078,648.74/x
  3. Step 3: Cross multiply
    3,638,032.20x = 5,456,117.43 × 1,078,648.74
  4. Step 4: Simplify right side
    3,638,032.20x = 5,885,234,191,161.54
  5. Step 5: Solve for x
    x = 5,885,234,191,161.54/3,638,032.20
  6. Step 6: Final answer
    x = 1,617,697.11

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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.