Home / 1,911,512.21-2,867,330.41-563,561.78

Finding the Fourth Proportional to 1,911,512.21, 2,867,330.41 and 563,561.78

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Solution

The fourth proportional to 1,911,512.21, 2,867,330.41 and 563,561.78 is: 845,360.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,512.21 : 2,867,330.41 = 563,561.78 : x
  2. Step 2: Convert to fraction form
    1,911,512.21/2,867,330.41 = 563,561.78/x
  3. Step 3: Cross multiply
    1,911,512.21x = 2,867,330.41 × 563,561.78
  4. Step 4: Simplify right side
    1,911,512.21x = 1,615,917,813,962.17
  5. Step 5: Solve for x
    x = 1,615,917,813,962.17/1,911,512.21
  6. Step 6: Final answer
    x = 845,360.97

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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.