Home / 2,137,851.20-3,206,776.80-1,945,006.40

Finding the Fourth Proportional to 2,137,851.20, 3,206,776.80 and 1,945,006.40

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Solution

The fourth proportional to 2,137,851.20, 3,206,776.80 and 1,945,006.40 is: 2,917,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,851.20 : 3,206,776.80 = 1,945,006.40 : x
  2. Step 2: Convert to fraction form
    2,137,851.20/3,206,776.80 = 1,945,006.40/x
  3. Step 3: Cross multiply
    2,137,851.20x = 3,206,776.80 × 1,945,006.40
  4. Step 4: Simplify right side
    2,137,851.20x = 6,237,201,399,371.52
  5. Step 5: Solve for x
    x = 6,237,201,399,371.52/2,137,851.20
  6. Step 6: Final answer
    x = 2,917,509.60

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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.