Home / 3,438,356.64-4,744,654.32-1,988,146

Finding the Fourth Proportional to 3,438,356.64, 4,744,654.32 and 1,988,146

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Solution

The fourth proportional to 3,438,356.64, 4,744,654.32 and 1,988,146 is: 2,743,480.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,356.64 : 4,744,654.32 = 1,988,146 : x
  2. Step 2: Convert to fraction form
    3,438,356.64/4,744,654.32 = 1,988,146/x
  3. Step 3: Cross multiply
    3,438,356.64x = 4,744,654.32 × 1,988,146
  4. Step 4: Simplify right side
    3,438,356.64x = 9,433,065,507,690.72
  5. Step 5: Solve for x
    x = 9,433,065,507,690.72/3,438,356.64
  6. Step 6: Final answer
    x = 2,743,480.82

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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.