Home / 2,635,455.92-3,636,932.32-1,428,231.92

Finding the Fourth Proportional to 2,635,455.92, 3,636,932.32 and 1,428,231.92

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Solution

The fourth proportional to 2,635,455.92, 3,636,932.32 and 1,428,231.92 is: 1,970,961.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635,455.92 : 3,636,932.32 = 1,428,231.92 : x
  2. Step 2: Convert to fraction form
    2,635,455.92/3,636,932.32 = 1,428,231.92/x
  3. Step 3: Cross multiply
    2,635,455.92x = 3,636,932.32 × 1,428,231.92
  4. Step 4: Simplify right side
    2,635,455.92x = 5,194,382,830,303.65
  5. Step 5: Solve for x
    x = 5,194,382,830,303.65/2,635,455.92
  6. Step 6: Final answer
    x = 1,970,961.76

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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.