Home / 2,079,784.80-3,117,052.80-1,012,528.80

Finding the Fourth Proportional to 2,079,784.80, 3,117,052.80 and 1,012,528.80

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Solution

The fourth proportional to 2,079,784.80, 3,117,052.80 and 1,012,528.80 is: 1,517,515.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,784.80 : 3,117,052.80 = 1,012,528.80 : x
  2. Step 2: Convert to fraction form
    2,079,784.80/3,117,052.80 = 1,012,528.80/x
  3. Step 3: Cross multiply
    2,079,784.80x = 3,117,052.80 × 1,012,528.80
  4. Step 4: Simplify right side
    2,079,784.80x = 3,156,105,731,120.64
  5. Step 5: Solve for x
    x = 3,156,105,731,120.64/2,079,784.80
  6. Step 6: Final answer
    x = 1,517,515.53

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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.