Home / 2,793,678.10-4,187,127.30-1,982,782.24

Finding the Fourth Proportional to 2,793,678.10, 4,187,127.30 and 1,982,782.24

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Solution

The fourth proportional to 2,793,678.10, 4,187,127.30 and 1,982,782.24 is: 2,971,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793,678.10 : 4,187,127.30 = 1,982,782.24 : x
  2. Step 2: Convert to fraction form
    2,793,678.10/4,187,127.30 = 1,982,782.24/x
  3. Step 3: Cross multiply
    2,793,678.10x = 4,187,127.30 × 1,982,782.24
  4. Step 4: Simplify right side
    2,793,678.10x = 8,302,161,647,059.15
  5. Step 5: Solve for x
    x = 8,302,161,647,059.15/2,793,678.10
  6. Step 6: Final answer
    x = 2,971,767.45

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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.