Home / 5,202,717.90-7,800,529.77-2,638,989.29

Finding the Fourth Proportional to 5,202,717.90, 7,800,529.77 and 2,638,989.29

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Solution

The fourth proportional to 5,202,717.90, 7,800,529.77 and 2,638,989.29 is: 3,956,684.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,202,717.90 : 7,800,529.77 = 2,638,989.29 : x
  2. Step 2: Convert to fraction form
    5,202,717.90/7,800,529.77 = 2,638,989.29/x
  3. Step 3: Cross multiply
    5,202,717.90x = 7,800,529.77 × 2,638,989.29
  4. Step 4: Simplify right side
    5,202,717.90x = 20,585,514,519,356.16
  5. Step 5: Solve for x
    x = 20,585,514,519,356.16/5,202,717.90
  6. Step 6: Final answer
    x = 3,956,684.74

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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.