Home / 2,887,120.69-4,328,712.73-1,464,433.45

Finding the Fourth Proportional to 2,887,120.69, 4,328,712.73 and 1,464,433.45

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Solution

The fourth proportional to 2,887,120.69, 4,328,712.73 and 1,464,433.45 is: 2,195,651.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,120.69 : 4,328,712.73 = 1,464,433.45 : x
  2. Step 2: Convert to fraction form
    2,887,120.69/4,328,712.73 = 1,464,433.45/x
  3. Step 3: Cross multiply
    2,887,120.69x = 4,328,712.73 × 1,464,433.45
  4. Step 4: Simplify right side
    2,887,120.69x = 6,339,111,717,252.82
  5. Step 5: Solve for x
    x = 6,339,111,717,252.82/2,887,120.69
  6. Step 6: Final answer
    x = 2,195,651.79

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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.