Home / 2,309,033.90-3,186,565.19-1,290,438.62

Finding the Fourth Proportional to 2,309,033.90, 3,186,565.19 and 1,290,438.62

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Solution

The fourth proportional to 2,309,033.90, 3,186,565.19 and 1,290,438.62 is: 1,780,860.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309,033.90 : 3,186,565.19 = 1,290,438.62 : x
  2. Step 2: Convert to fraction form
    2,309,033.90/3,186,565.19 = 1,290,438.62/x
  3. Step 3: Cross multiply
    2,309,033.90x = 3,186,565.19 × 1,290,438.62
  4. Step 4: Simplify right side
    2,309,033.90x = 4,112,066,786,323.64
  5. Step 5: Solve for x
    x = 4,112,066,786,323.64/2,309,033.90
  6. Step 6: Final answer
    x = 1,780,860.29

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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.