Home / 2,587,999.80-3,885,498.90-1,643,215.80

Finding the Fourth Proportional to 2,587,999.80, 3,885,498.90 and 1,643,215.80

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Solution

The fourth proportional to 2,587,999.80, 3,885,498.90 and 1,643,215.80 is: 2,467,045.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587,999.80 : 3,885,498.90 = 1,643,215.80 : x
  2. Step 2: Convert to fraction form
    2,587,999.80/3,885,498.90 = 1,643,215.80/x
  3. Step 3: Cross multiply
    2,587,999.80x = 3,885,498.90 × 1,643,215.80
  4. Step 4: Simplify right side
    2,587,999.80x = 6,384,713,183,362.62
  5. Step 5: Solve for x
    x = 6,384,713,183,362.62/2,587,999.80
  6. Step 6: Final answer
    x = 2,467,045.47

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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.