Home / 2,120,791.32-2,926,604.16-1,153,925.28

Finding the Fourth Proportional to 2,120,791.32, 2,926,604.16 and 1,153,925.28

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Solution

The fourth proportional to 2,120,791.32, 2,926,604.16 and 1,153,925.28 is: 1,592,369.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,791.32 : 2,926,604.16 = 1,153,925.28 : x
  2. Step 2: Convert to fraction form
    2,120,791.32/2,926,604.16 = 1,153,925.28/x
  3. Step 3: Cross multiply
    2,120,791.32x = 2,926,604.16 × 1,153,925.28
  4. Step 4: Simplify right side
    2,120,791.32x = 3,377,082,524,777.17
  5. Step 5: Solve for x
    x = 3,377,082,524,777.17/2,120,791.32
  6. Step 6: Final answer
    x = 1,592,369.08

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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.