Home / 5,220,649.72-7,204,128.42-2,897,660.44

Finding the Fourth Proportional to 5,220,649.72, 7,204,128.42 and 2,897,660.44

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Solution

The fourth proportional to 5,220,649.72, 7,204,128.42 and 2,897,660.44 is: 3,998,567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220,649.72 : 7,204,128.42 = 2,897,660.44 : x
  2. Step 2: Convert to fraction form
    5,220,649.72/7,204,128.42 = 2,897,660.44/x
  3. Step 3: Cross multiply
    5,220,649.72x = 7,204,128.42 × 2,897,660.44
  4. Step 4: Simplify right side
    5,220,649.72x = 20,875,117,927,313.70
  5. Step 5: Solve for x
    x = 20,875,117,927,313.70/5,220,649.72
  6. Step 6: Final answer
    x = 3,998,567.05

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1.5x scale

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.