Home / 2,378,287.91-3,282,020.67-1,290,531.83

Finding the Fourth Proportional to 2,378,287.91, 3,282,020.67 and 1,290,531.83

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Solution

The fourth proportional to 2,378,287.91, 3,282,020.67 and 1,290,531.83 is: 1,780,924.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,287.91 : 3,282,020.67 = 1,290,531.83 : x
  2. Step 2: Convert to fraction form
    2,378,287.91/3,282,020.67 = 1,290,531.83/x
  3. Step 3: Cross multiply
    2,378,287.91x = 3,282,020.67 × 1,290,531.83
  4. Step 4: Simplify right side
    2,378,287.91x = 4,235,552,129,782.32
  5. Step 5: Solve for x
    x = 4,235,552,129,782.32/2,378,287.91
  6. Step 6: Final answer
    x = 1,780,924.89

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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.