Home / 1,568,477.70-2,355,049.35-1,213,892.10

Finding the Fourth Proportional to 1,568,477.70, 2,355,049.35 and 1,213,892.10

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Solution

The fourth proportional to 1,568,477.70, 2,355,049.35 and 1,213,892.10 is: 1,822,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568,477.70 : 2,355,049.35 = 1,213,892.10 : x
  2. Step 2: Convert to fraction form
    1,568,477.70/2,355,049.35 = 1,213,892.10/x
  3. Step 3: Cross multiply
    1,568,477.70x = 2,355,049.35 × 1,213,892.10
  4. Step 4: Simplify right side
    1,568,477.70x = 2,858,775,801,075.14
  5. Step 5: Solve for x
    x = 2,858,775,801,075.14/1,568,477.70
  6. Step 6: Final answer
    x = 1,822,643.57

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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.