Home / 3,015,560.18-4,161,505.20-1,638,903.89

Finding the Fourth Proportional to 3,015,560.18, 4,161,505.20 and 1,638,903.89

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Solution

The fourth proportional to 3,015,560.18, 4,161,505.20 and 1,638,903.89 is: 2,261,704.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,560.18 : 4,161,505.20 = 1,638,903.89 : x
  2. Step 2: Convert to fraction form
    3,015,560.18/4,161,505.20 = 1,638,903.89/x
  3. Step 3: Cross multiply
    3,015,560.18x = 4,161,505.20 × 1,638,903.89
  4. Step 4: Simplify right side
    3,015,560.18x = 6,820,307,060,535.23
  5. Step 5: Solve for x
    x = 6,820,307,060,535.23/3,015,560.18
  6. Step 6: Final answer
    x = 2,261,704.84

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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.