Home / 1,761,008.20-2,638,401.90-1,561,942.60

Finding the Fourth Proportional to 1,761,008.20, 2,638,401.90 and 1,561,942.60

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Solution

The fourth proportional to 1,761,008.20, 2,638,401.90 and 1,561,942.60 is: 2,340,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,008.20 : 2,638,401.90 = 1,561,942.60 : x
  2. Step 2: Convert to fraction form
    1,761,008.20/2,638,401.90 = 1,561,942.60/x
  3. Step 3: Cross multiply
    1,761,008.20x = 2,638,401.90 × 1,561,942.60
  4. Step 4: Simplify right side
    1,761,008.20x = 4,121,032,323,530.94
  5. Step 5: Solve for x
    x = 4,121,032,323,530.94/1,761,008.20
  6. Step 6: Final answer
    x = 2,340,155.10

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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.