Home / 2,949,409-4,070,117.44-1,642,652.20

Finding the Fourth Proportional to 2,949,409, 4,070,117.44 and 1,642,652.20

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Solution

The fourth proportional to 2,949,409, 4,070,117.44 and 1,642,652.20 is: 2,266,822.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949,409 : 4,070,117.44 = 1,642,652.20 : x
  2. Step 2: Convert to fraction form
    2,949,409/4,070,117.44 = 1,642,652.20/x
  3. Step 3: Cross multiply
    2,949,409x = 4,070,117.44 × 1,642,652.20
  4. Step 4: Simplify right side
    2,949,409x = 6,685,787,367,074.37
  5. Step 5: Solve for x
    x = 6,685,787,367,074.37/2,949,409
  6. Step 6: Final answer
    x = 2,266,822.73

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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.