Home / 3,266,954.16-4,508,494.20-1,978,030.32

Finding the Fourth Proportional to 3,266,954.16, 4,508,494.20 and 1,978,030.32

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Solution

The fourth proportional to 3,266,954.16, 4,508,494.20 and 1,978,030.32 is: 2,729,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266,954.16 : 4,508,494.20 = 1,978,030.32 : x
  2. Step 2: Convert to fraction form
    3,266,954.16/4,508,494.20 = 1,978,030.32/x
  3. Step 3: Cross multiply
    3,266,954.16x = 4,508,494.20 × 1,978,030.32
  4. Step 4: Simplify right side
    3,266,954.16x = 8,917,938,225,144.15
  5. Step 5: Solve for x
    x = 8,917,938,225,144.15/3,266,954.16
  6. Step 6: Final answer
    x = 2,729,740.85

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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.