Home / 3,015,538.83-4,161,475.80-1,638,882.63

Finding the Fourth Proportional to 3,015,538.83, 4,161,475.80 and 1,638,882.63

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Solution

The fourth proportional to 3,015,538.83, 4,161,475.80 and 1,638,882.63 is: 2,261,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,538.83 : 4,161,475.80 = 1,638,882.63 : x
  2. Step 2: Convert to fraction form
    3,015,538.83/4,161,475.80 = 1,638,882.63/x
  3. Step 3: Cross multiply
    3,015,538.83x = 4,161,475.80 × 1,638,882.63
  4. Step 4: Simplify right side
    3,015,538.83x = 6,820,170,403,785.35
  5. Step 5: Solve for x
    x = 6,820,170,403,785.35/3,015,538.83
  6. Step 6: Final answer
    x = 2,261,675.54

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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.