Home / 2,639,253.25-3,642,188.93-1,432,029.25

Finding the Fourth Proportional to 2,639,253.25, 3,642,188.93 and 1,432,029.25

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Solution

The fourth proportional to 2,639,253.25, 3,642,188.93 and 1,432,029.25 is: 1,976,210.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,253.25 : 3,642,188.93 = 1,432,029.25 : x
  2. Step 2: Convert to fraction form
    2,639,253.25/3,642,188.93 = 1,432,029.25/x
  3. Step 3: Cross multiply
    2,639,253.25x = 3,642,188.93 × 1,432,029.25
  4. Step 4: Simplify right side
    2,639,253.25x = 5,215,721,081,786.20
  5. Step 5: Solve for x
    x = 5,215,721,081,786.20/2,639,253.25
  6. Step 6: Final answer
    x = 1,976,210.92

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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.