Home / 2,015,052.80-3,018,642.60-1,213,954.70

Finding the Fourth Proportional to 2,015,052.80, 3,018,642.60 and 1,213,954.70

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Solution

The fourth proportional to 2,015,052.80, 3,018,642.60 and 1,213,954.70 is: 1,818,560.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,052.80 : 3,018,642.60 = 1,213,954.70 : x
  2. Step 2: Convert to fraction form
    2,015,052.80/3,018,642.60 = 1,213,954.70/x
  3. Step 3: Cross multiply
    2,015,052.80x = 3,018,642.60 × 1,213,954.70
  4. Step 4: Simplify right side
    2,015,052.80x = 3,664,495,371,890.22
  5. Step 5: Solve for x
    x = 3,664,495,371,890.22/2,015,052.80
  6. Step 6: Final answer
    x = 1,818,560.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.