Home / 1,891,251.18-2,609,999.82-1,075,529.34

Finding the Fourth Proportional to 1,891,251.18, 2,609,999.82 and 1,075,529.34

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Solution

The fourth proportional to 1,891,251.18, 2,609,999.82 and 1,075,529.34 is: 1,484,272.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,251.18 : 2,609,999.82 = 1,075,529.34 : x
  2. Step 2: Convert to fraction form
    1,891,251.18/2,609,999.82 = 1,075,529.34/x
  3. Step 3: Cross multiply
    1,891,251.18x = 2,609,999.82 × 1,075,529.34
  4. Step 4: Simplify right side
    1,891,251.18x = 2,807,131,383,804.72
  5. Step 5: Solve for x
    x = 2,807,131,383,804.72/1,891,251.18
  6. Step 6: Final answer
    x = 1,484,272.11

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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.