Home / 3,909,886.09-5,395,590.70-2,191,040.17

Finding the Fourth Proportional to 3,909,886.09, 5,395,590.70 and 2,191,040.17

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Solution

The fourth proportional to 3,909,886.09, 5,395,590.70 and 2,191,040.17 is: 3,023,606.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909,886.09 : 5,395,590.70 = 2,191,040.17 : x
  2. Step 2: Convert to fraction form
    3,909,886.09/5,395,590.70 = 2,191,040.17/x
  3. Step 3: Cross multiply
    3,909,886.09x = 5,395,590.70 × 2,191,040.17
  4. Step 4: Simplify right side
    3,909,886.09x = 11,821,955,942,644.93
  5. Step 5: Solve for x
    x = 11,821,955,942,644.93/3,909,886.09
  6. Step 6: Final answer
    x = 3,023,606.23

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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.