Home / 2,760,935.52-3,811,961.31-1,728,857.40

Finding the Fourth Proportional to 2,760,935.52, 3,811,961.31 and 1,728,857.40

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Solution

The fourth proportional to 2,760,935.52, 3,811,961.31 and 1,728,857.40 is: 2,386,994.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760,935.52 : 3,811,961.31 = 1,728,857.40 : x
  2. Step 2: Convert to fraction form
    2,760,935.52/3,811,961.31 = 1,728,857.40/x
  3. Step 3: Cross multiply
    2,760,935.52x = 3,811,961.31 × 1,728,857.40
  4. Step 4: Simplify right side
    2,760,935.52x = 6,590,337,519,307.19
  5. Step 5: Solve for x
    x = 6,590,337,519,307.19/2,760,935.52
  6. Step 6: Final answer
    x = 2,386,994.36

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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.