Home / 1,761,010.70-2,638,405.65-1,561,945.10

Finding the Fourth Proportional to 1,761,010.70, 2,638,405.65 and 1,561,945.10

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Solution

The fourth proportional to 1,761,010.70, 2,638,405.65 and 1,561,945.10 is: 2,340,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,010.70 : 2,638,405.65 = 1,561,945.10 : x
  2. Step 2: Convert to fraction form
    1,761,010.70/2,638,405.65 = 1,561,945.10/x
  3. Step 3: Cross multiply
    1,761,010.70x = 2,638,405.65 × 1,561,945.10
  4. Step 4: Simplify right side
    1,761,010.70x = 4,121,044,776,829.82
  5. Step 5: Solve for x
    x = 4,121,044,776,829.82/1,761,010.70
  6. Step 6: Final answer
    x = 2,340,158.85

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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.