Home / 3,015,085.68-4,160,844.18-1,638,429.12

Finding the Fourth Proportional to 3,015,085.68, 4,160,844.18 and 1,638,429.12

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Solution

The fourth proportional to 3,015,085.68, 4,160,844.18 and 1,638,429.12 is: 2,261,046.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,085.68 : 4,160,844.18 = 1,638,429.12 : x
  2. Step 2: Convert to fraction form
    3,015,085.68/4,160,844.18 = 1,638,429.12/x
  3. Step 3: Cross multiply
    3,015,085.68x = 4,160,844.18 × 1,638,429.12
  4. Step 4: Simplify right side
    3,015,085.68x = 6,817,248,268,294.52
  5. Step 5: Solve for x
    x = 6,817,248,268,294.52/3,015,085.68
  6. Step 6: Final answer
    x = 2,261,046.28

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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.