Home / 3,015,580.65-4,161,528.84-1,638,927.90

Finding the Fourth Proportional to 3,015,580.65, 4,161,528.84 and 1,638,927.90

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Solution

The fourth proportional to 3,015,580.65, 4,161,528.84 and 1,638,927.90 is: 2,261,735.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,580.65 : 4,161,528.84 = 1,638,927.90 : x
  2. Step 2: Convert to fraction form
    3,015,580.65/4,161,528.84 = 1,638,927.90/x
  3. Step 3: Cross multiply
    3,015,580.65x = 4,161,528.84 × 1,638,927.90
  4. Step 4: Simplify right side
    3,015,580.65x = 6,820,445,722,530.64
  5. Step 5: Solve for x
    x = 6,820,445,722,530.64/3,015,580.65
  6. Step 6: Final answer
    x = 2,261,735.47

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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.