Home / 3,409,512.81-4,705,237.53-1,939,383.33

Finding the Fourth Proportional to 3,409,512.81, 4,705,237.53 and 1,939,383.33

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Solution

The fourth proportional to 3,409,512.81, 4,705,237.53 and 1,939,383.33 is: 2,676,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409,512.81 : 4,705,237.53 = 1,939,383.33 : x
  2. Step 2: Convert to fraction form
    3,409,512.81/4,705,237.53 = 1,939,383.33/x
  3. Step 3: Cross multiply
    3,409,512.81x = 4,705,237.53 × 1,939,383.33
  4. Step 4: Simplify right side
    3,409,512.81x = 9,125,259,229,372.38
  5. Step 5: Solve for x
    x = 9,125,259,229,372.38/3,409,512.81
  6. Step 6: Final answer
    x = 2,676,411.48

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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.