Home / 3,997,641.76-5,516,745.54-2,162,100.18

Finding the Fourth Proportional to 3,997,641.76, 5,516,745.54 and 2,162,100.18

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Solution

The fourth proportional to 3,997,641.76, 5,516,745.54 and 2,162,100.18 is: 2,983,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997,641.76 : 5,516,745.54 = 2,162,100.18 : x
  2. Step 2: Convert to fraction form
    3,997,641.76/5,516,745.54 = 2,162,100.18/x
  3. Step 3: Cross multiply
    3,997,641.76x = 5,516,745.54 × 2,162,100.18
  4. Step 4: Simplify right side
    3,997,641.76x = 11,927,756,525,048.20
  5. Step 5: Solve for x
    x = 11,927,756,525,048.20/3,997,641.76
  6. Step 6: Final answer
    x = 2,983,698.20

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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.