Home / 5,101,857.03-7,040,569.89-2,778,758.64

Finding the Fourth Proportional to 5,101,857.03, 7,040,569.89 and 2,778,758.64

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Solution

The fourth proportional to 5,101,857.03, 7,040,569.89 and 2,778,758.64 is: 3,834,690.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101,857.03 : 7,040,569.89 = 2,778,758.64 : x
  2. Step 2: Convert to fraction form
    5,101,857.03/7,040,569.89 = 2,778,758.64/x
  3. Step 3: Cross multiply
    5,101,857.03x = 7,040,569.89 × 2,778,758.64
  4. Step 4: Simplify right side
    5,101,857.03x = 19,564,044,412,361.35
  5. Step 5: Solve for x
    x = 19,564,044,412,361.35/5,101,857.03
  6. Step 6: Final answer
    x = 3,834,690.84

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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.