Home / 3,985,600.92-5,500,261.98-2,174,864.28

Finding the Fourth Proportional to 3,985,600.92, 5,500,261.98 and 2,174,864.28

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Solution

The fourth proportional to 3,985,600.92, 5,500,261.98 and 2,174,864.28 is: 3,001,385.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,600.92 : 5,500,261.98 = 2,174,864.28 : x
  2. Step 2: Convert to fraction form
    3,985,600.92/5,500,261.98 = 2,174,864.28/x
  3. Step 3: Cross multiply
    3,985,600.92x = 5,500,261.98 × 2,174,864.28
  4. Step 4: Simplify right side
    3,985,600.92x = 11,962,323,310,944.07
  5. Step 5: Solve for x
    x = 11,962,323,310,944.07/3,985,600.92
  6. Step 6: Final answer
    x = 3,001,385.12

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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.