Home / 2,850,943.13-3,934,399.40-1,561,783.17

Finding the Fourth Proportional to 2,850,943.13, 3,934,399.40 and 1,561,783.17

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Solution

The fourth proportional to 2,850,943.13, 3,934,399.40 and 1,561,783.17 is: 2,155,314.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850,943.13 : 3,934,399.40 = 1,561,783.17 : x
  2. Step 2: Convert to fraction form
    2,850,943.13/3,934,399.40 = 1,561,783.17/x
  3. Step 3: Cross multiply
    2,850,943.13x = 3,934,399.40 × 1,561,783.17
  4. Step 4: Simplify right side
    2,850,943.13x = 6,144,678,766,978.10
  5. Step 5: Solve for x
    x = 6,144,678,766,978.10/2,850,943.13
  6. Step 6: Final answer
    x = 2,155,314.39

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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.