Home / 1,961,175.90-2,706,128.12-1,101,571.50

Finding the Fourth Proportional to 1,961,175.90, 2,706,128.12 and 1,101,571.50

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Solution

The fourth proportional to 1,961,175.90, 2,706,128.12 and 1,101,571.50 is: 1,520,003.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,175.90 : 2,706,128.12 = 1,101,571.50 : x
  2. Step 2: Convert to fraction form
    1,961,175.90/2,706,128.12 = 1,101,571.50/x
  3. Step 3: Cross multiply
    1,961,175.90x = 2,706,128.12 × 1,101,571.50
  4. Step 4: Simplify right side
    1,961,175.90x = 2,980,993,612,340.58
  5. Step 5: Solve for x
    x = 2,980,993,612,340.58/1,961,175.90
  6. Step 6: Final answer
    x = 1,520,003.18

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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.