Home / 3,602,581.72-4,970,748.66-2,151,993.20

Finding the Fourth Proportional to 3,602,581.72, 4,970,748.66 and 2,151,993.20

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Solution

The fourth proportional to 3,602,581.72, 4,970,748.66 and 2,151,993.20 is: 2,969,264.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602,581.72 : 4,970,748.66 = 2,151,993.20 : x
  2. Step 2: Convert to fraction form
    3,602,581.72/4,970,748.66 = 2,151,993.20/x
  3. Step 3: Cross multiply
    3,602,581.72x = 4,970,748.66 × 2,151,993.20
  4. Step 4: Simplify right side
    3,602,581.72x = 10,697,017,315,229.11
  5. Step 5: Solve for x
    x = 10,697,017,315,229.11/3,602,581.72
  6. Step 6: Final answer
    x = 2,969,264.31

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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.