Home / 2,090,692.87-2,884,806.43-1,231,424.22

Finding the Fourth Proportional to 2,090,692.87, 2,884,806.43 and 1,231,424.22

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Solution

The fourth proportional to 2,090,692.87, 2,884,806.43 and 1,231,424.22 is: 1,699,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090,692.87 : 2,884,806.43 = 1,231,424.22 : x
  2. Step 2: Convert to fraction form
    2,090,692.87/2,884,806.43 = 1,231,424.22/x
  3. Step 3: Cross multiply
    2,090,692.87x = 2,884,806.43 × 1,231,424.22
  4. Step 4: Simplify right side
    2,090,692.87x = 3,552,420,507,913.74
  5. Step 5: Solve for x
    x = 3,552,420,507,913.74/2,090,692.87
  6. Step 6: Final answer
    x = 1,699,159.43

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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.