Home / 3,015,248.81-4,161,083.93-1,638,619.85

Finding the Fourth Proportional to 3,015,248.81, 4,161,083.93 and 1,638,619.85

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Solution

The fourth proportional to 3,015,248.81, 4,161,083.93 and 1,638,619.85 is: 2,261,317.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,248.81 : 4,161,083.93 = 1,638,619.85 : x
  2. Step 2: Convert to fraction form
    3,015,248.81/4,161,083.93 = 1,638,619.85/x
  3. Step 3: Cross multiply
    3,015,248.81x = 4,161,083.93 × 1,638,619.85
  4. Step 4: Simplify right side
    3,015,248.81x = 6,818,434,717,020.91
  5. Step 5: Solve for x
    x = 6,818,434,717,020.91/3,015,248.81
  6. Step 6: Final answer
    x = 2,261,317.44

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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.