Home / 1,966,362.78-2,950,127.40-618,711.54

Finding the Fourth Proportional to 1,966,362.78, 2,950,127.40 and 618,711.54

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Solution

The fourth proportional to 1,966,362.78, 2,950,127.40 and 618,711.54 is: 928,250.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966,362.78 : 2,950,127.40 = 618,711.54 : x
  2. Step 2: Convert to fraction form
    1,966,362.78/2,950,127.40 = 618,711.54/x
  3. Step 3: Cross multiply
    1,966,362.78x = 2,950,127.40 × 618,711.54
  4. Step 4: Simplify right side
    1,966,362.78x = 1,825,277,866,850.20
  5. Step 5: Solve for x
    x = 1,825,277,866,850.20/1,966,362.78
  6. Step 6: Final answer
    x = 928,250.82

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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.