Home / 1,911,513.21-2,867,331.91-563,562.78

Finding the Fourth Proportional to 1,911,513.21, 2,867,331.91 and 563,562.78

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Solution

The fourth proportional to 1,911,513.21, 2,867,331.91 and 563,562.78 is: 845,362.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,513.21 : 2,867,331.91 = 563,562.78 : x
  2. Step 2: Convert to fraction form
    1,911,513.21/2,867,331.91 = 563,562.78/x
  3. Step 3: Cross multiply
    1,911,513.21x = 2,867,331.91 × 563,562.78
  4. Step 4: Simplify right side
    1,911,513.21x = 1,615,921,542,382.31
  5. Step 5: Solve for x
    x = 1,615,921,542,382.31/1,911,513.21
  6. Step 6: Final answer
    x = 845,362.48

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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.