Home / 1,442,075.61-2,161,221.26-1,061,213.61

Finding the Fourth Proportional to 1,442,075.61, 2,161,221.26 and 1,061,213.61

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Solution

The fourth proportional to 1,442,075.61, 2,161,221.26 and 1,061,213.61 is: 1,590,427.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,075.61 : 2,161,221.26 = 1,061,213.61 : x
  2. Step 2: Convert to fraction form
    1,442,075.61/2,161,221.26 = 1,061,213.61/x
  3. Step 3: Cross multiply
    1,442,075.61x = 2,161,221.26 × 1,061,213.61
  4. Step 4: Simplify right side
    1,442,075.61x = 2,293,517,410,027.28
  5. Step 5: Solve for x
    x = 2,293,517,410,027.28/1,442,075.61
  6. Step 6: Final answer
    x = 1,590,427.99

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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.