Home / 2,138,089.76-3,207,801.67-718,207.41

Finding the Fourth Proportional to 2,138,089.76, 3,207,801.67 and 718,207.41

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Solution

The fourth proportional to 2,138,089.76, 3,207,801.67 and 718,207.41 is: 1,077,535.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,089.76 : 3,207,801.67 = 718,207.41 : x
  2. Step 2: Convert to fraction form
    2,138,089.76/3,207,801.67 = 718,207.41/x
  3. Step 3: Cross multiply
    2,138,089.76x = 3,207,801.67 × 718,207.41
  4. Step 4: Simplify right side
    2,138,089.76x = 2,303,866,927,408.86
  5. Step 5: Solve for x
    x = 2,303,866,927,408.86/2,138,089.76
  6. Step 6: Final answer
    x = 1,077,535.18

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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.