Home / 3,871,933.78-5,343,273.05-2,153,017.39

Finding the Fourth Proportional to 3,871,933.78, 5,343,273.05 and 2,153,017.39

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Solution

The fourth proportional to 3,871,933.78, 5,343,273.05 and 2,153,017.39 is: 2,971,166.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871,933.78 : 5,343,273.05 = 2,153,017.39 : x
  2. Step 2: Convert to fraction form
    3,871,933.78/5,343,273.05 = 2,153,017.39/x
  3. Step 3: Cross multiply
    3,871,933.78x = 5,343,273.05 × 2,153,017.39
  4. Step 4: Simplify right side
    3,871,933.78x = 11,504,159,758,686.89
  5. Step 5: Solve for x
    x = 11,504,159,758,686.89/3,871,933.78
  6. Step 6: Final answer
    x = 2,971,166.46

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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.