Home / 2,161,721.72-3,242,751.06-1,263,256.76

Finding the Fourth Proportional to 2,161,721.72, 3,242,751.06 and 1,263,256.76

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Solution

The fourth proportional to 2,161,721.72, 3,242,751.06 and 1,263,256.76 is: 1,894,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,721.72 : 3,242,751.06 = 1,263,256.76 : x
  2. Step 2: Convert to fraction form
    2,161,721.72/3,242,751.06 = 1,263,256.76/x
  3. Step 3: Cross multiply
    2,161,721.72x = 3,242,751.06 × 1,263,256.76
  4. Step 4: Simplify right side
    2,161,721.72x = 4,096,427,197,542.17
  5. Step 5: Solve for x
    x = 4,096,427,197,542.17/2,161,721.72
  6. Step 6: Final answer
    x = 1,894,983.60

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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.