Home / 2,154,378.58-2,971,949.88-1,644,195.22

Finding the Fourth Proportional to 2,154,378.58, 2,971,949.88 and 1,644,195.22

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Solution

The fourth proportional to 2,154,378.58, 2,971,949.88 and 1,644,195.22 is: 2,268,155.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,378.58 : 2,971,949.88 = 1,644,195.22 : x
  2. Step 2: Convert to fraction form
    2,154,378.58/2,971,949.88 = 1,644,195.22/x
  3. Step 3: Cross multiply
    2,154,378.58x = 2,971,949.88 × 1,644,195.22
  4. Step 4: Simplify right side
    2,154,378.58x = 4,886,465,786,775.57
  5. Step 5: Solve for x
    x = 4,886,465,786,775.57/2,154,378.58
  6. Step 6: Final answer
    x = 2,268,155.57

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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.