Home / 3,015,539.18-4,161,476.29-1,638,882.83

Finding the Fourth Proportional to 3,015,539.18, 4,161,476.29 and 1,638,882.83

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Solution

The fourth proportional to 3,015,539.18, 4,161,476.29 and 1,638,882.83 is: 2,261,675.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,539.18 : 4,161,476.29 = 1,638,882.83 : x
  2. Step 2: Convert to fraction form
    3,015,539.18/4,161,476.29 = 1,638,882.83/x
  3. Step 3: Cross multiply
    3,015,539.18x = 4,161,476.29 × 1,638,882.83
  4. Step 4: Simplify right side
    3,015,539.18x = 6,820,172,018,325.72
  5. Step 5: Solve for x
    x = 6,820,172,018,325.72/3,015,539.18
  6. Step 6: Final answer
    x = 2,261,675.81

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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.