Home / 3,015,248.56-4,161,083.58-1,638,619.60

Finding the Fourth Proportional to 3,015,248.56, 4,161,083.58 and 1,638,619.60

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Solution

The fourth proportional to 3,015,248.56, 4,161,083.58 and 1,638,619.60 is: 2,261,317.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,248.56 : 4,161,083.58 = 1,638,619.60 : x
  2. Step 2: Convert to fraction form
    3,015,248.56/4,161,083.58 = 1,638,619.60/x
  3. Step 3: Cross multiply
    3,015,248.56x = 4,161,083.58 × 1,638,619.60
  4. Step 4: Simplify right side
    3,015,248.56x = 6,818,433,111,426.17
  5. Step 5: Solve for x
    x = 6,818,433,111,426.17/3,015,248.56
  6. Step 6: Final answer
    x = 2,261,317.09

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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.