Home / 1,966,363.78-2,950,128.90-618,712.54

Finding the Fourth Proportional to 1,966,363.78, 2,950,128.90 and 618,712.54

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Solution

The fourth proportional to 1,966,363.78, 2,950,128.90 and 618,712.54 is: 928,252.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966,363.78 : 2,950,128.90 = 618,712.54 : x
  2. Step 2: Convert to fraction form
    1,966,363.78/2,950,128.90 = 618,712.54/x
  3. Step 3: Cross multiply
    1,966,363.78x = 2,950,128.90 × 618,712.54
  4. Step 4: Simplify right side
    1,966,363.78x = 1,825,281,745,046.41
  5. Step 5: Solve for x
    x = 1,825,281,745,046.41/1,966,363.78
  6. Step 6: Final answer
    x = 928,252.32

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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.