Home / 2,154,156.16-2,972,695.92-1,174,103.68

Finding the Fourth Proportional to 2,154,156.16, 2,972,695.92 and 1,174,103.68

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Solution

The fourth proportional to 2,154,156.16, 2,972,695.92 and 1,174,103.68 is: 1,620,241.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,156.16 : 2,972,695.92 = 1,174,103.68 : x
  2. Step 2: Convert to fraction form
    2,154,156.16/2,972,695.92 = 1,174,103.68/x
  3. Step 3: Cross multiply
    2,154,156.16x = 2,972,695.92 × 1,174,103.68
  4. Step 4: Simplify right side
    2,154,156.16x = 3,490,253,219,192.99
  5. Step 5: Solve for x
    x = 3,490,253,219,192.99/2,154,156.16
  6. Step 6: Final answer
    x = 1,620,241.51

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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.