Home / 3,621,990.90-4,997,257.34-2,171,156.97

Finding the Fourth Proportional to 3,621,990.90, 4,997,257.34 and 2,171,156.97

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Solution

The fourth proportional to 3,621,990.90, 4,997,257.34 and 2,171,156.97 is: 2,995,543.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,990.90 : 4,997,257.34 = 2,171,156.97 : x
  2. Step 2: Convert to fraction form
    3,621,990.90/4,997,257.34 = 2,171,156.97/x
  3. Step 3: Cross multiply
    3,621,990.90x = 4,997,257.34 × 2,171,156.97
  4. Step 4: Simplify right side
    3,621,990.90x = 10,849,830,112,508.59
  5. Step 5: Solve for x
    x = 10,849,830,112,508.59/3,621,990.90
  6. Step 6: Final answer
    x = 2,995,543.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.