Home / 1,887,464.61-2,603,872.61-1,275,394.38

Finding the Fourth Proportional to 1,887,464.61, 2,603,872.61 and 1,275,394.38

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Solution

The fourth proportional to 1,887,464.61, 2,603,872.61 and 1,275,394.38 is: 1,759,484.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,464.61 : 2,603,872.61 = 1,275,394.38 : x
  2. Step 2: Convert to fraction form
    1,887,464.61/2,603,872.61 = 1,275,394.38/x
  3. Step 3: Cross multiply
    1,887,464.61x = 2,603,872.61 × 1,275,394.38
  4. Step 4: Simplify right side
    1,887,464.61x = 3,320,964,509,021.85
  5. Step 5: Solve for x
    x = 3,320,964,509,021.85/1,887,464.61
  6. Step 6: Final answer
    x = 1,759,484.39

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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.