Home / 1,971,399.78-2,957,424.12-605,139.18

Finding the Fourth Proportional to 1,971,399.78, 2,957,424.12 and 605,139.18

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Solution

The fourth proportional to 1,971,399.78, 2,957,424.12 and 605,139.18 is: 907,808.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,399.78 : 2,957,424.12 = 605,139.18 : x
  2. Step 2: Convert to fraction form
    1,971,399.78/2,957,424.12 = 605,139.18/x
  3. Step 3: Cross multiply
    1,971,399.78x = 2,957,424.12 × 605,139.18
  4. Step 4: Simplify right side
    1,971,399.78x = 1,789,653,206,889.02
  5. Step 5: Solve for x
    x = 1,789,653,206,889.02/1,971,399.78
  6. Step 6: Final answer
    x = 907,808.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.