Home / 5,338,880.22-7,367,652.40-2,891,491.39

Finding the Fourth Proportional to 5,338,880.22, 7,367,652.40 and 2,891,491.39

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Solution

The fourth proportional to 5,338,880.22, 7,367,652.40 and 2,891,491.39 is: 3,990,256.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338,880.22 : 7,367,652.40 = 2,891,491.39 : x
  2. Step 2: Convert to fraction form
    5,338,880.22/7,367,652.40 = 2,891,491.39/x
  3. Step 3: Cross multiply
    5,338,880.22x = 7,367,652.40 × 2,891,491.39
  4. Step 4: Simplify right side
    5,338,880.22x = 21,303,503,470,612.97
  5. Step 5: Solve for x
    x = 21,303,503,470,612.97/5,338,880.22
  6. Step 6: Final answer
    x = 3,990,256.87

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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.