Home / 5,101,696.36-7,040,196.90-2,778,536.20

Finding the Fourth Proportional to 5,101,696.36, 7,040,196.90 and 2,778,536.20

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Solution

The fourth proportional to 5,101,696.36, 7,040,196.90 and 2,778,536.20 is: 3,834,301.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101,696.36 : 7,040,196.90 = 2,778,536.20 : x
  2. Step 2: Convert to fraction form
    5,101,696.36/7,040,196.90 = 2,778,536.20/x
  3. Step 3: Cross multiply
    5,101,696.36x = 7,040,196.90 × 2,778,536.20
  4. Step 4: Simplify right side
    5,101,696.36x = 19,561,441,941,777.78
  5. Step 5: Solve for x
    x = 19,561,441,941,777.78/5,101,696.36
  6. Step 6: Final answer
    x = 3,834,301.49

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1.5x scale

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.