Home / 3,015,621.60-4,161,590.04-1,638,965.52

Finding the Fourth Proportional to 3,015,621.60, 4,161,590.04 and 1,638,965.52

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Solution

The fourth proportional to 3,015,621.60, 4,161,590.04 and 1,638,965.52 is: 2,261,789.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,621.60 : 4,161,590.04 = 1,638,965.52 : x
  2. Step 2: Convert to fraction form
    3,015,621.60/4,161,590.04 = 1,638,965.52/x
  3. Step 3: Cross multiply
    3,015,621.60x = 4,161,590.04 × 1,638,965.52
  4. Step 4: Simplify right side
    3,015,621.60x = 6,820,702,583,935.42
  5. Step 5: Solve for x
    x = 6,820,702,583,935.42/3,015,621.60
  6. Step 6: Final answer
    x = 2,261,789.94

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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.