Home / 1,992,863.80-2,986,233.90-1,485,042.40

Finding the Fourth Proportional to 1,992,863.80, 2,986,233.90 and 1,485,042.40

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Solution

The fourth proportional to 1,992,863.80, 2,986,233.90 and 1,485,042.40 is: 2,225,282.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,863.80 : 2,986,233.90 = 1,485,042.40 : x
  2. Step 2: Convert to fraction form
    1,992,863.80/2,986,233.90 = 1,485,042.40/x
  3. Step 3: Cross multiply
    1,992,863.80x = 2,986,233.90 × 1,485,042.40
  4. Step 4: Simplify right side
    1,992,863.80x = 4,434,683,957,817.36
  5. Step 5: Solve for x
    x = 4,434,683,957,817.36/1,992,863.80
  6. Step 6: Final answer
    x = 2,225,282.01

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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.