Home / 2,228,331.79-3,075,089.29-1,209,736.27

Finding the Fourth Proportional to 2,228,331.79, 3,075,089.29 and 1,209,736.27

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Solution

The fourth proportional to 2,228,331.79, 3,075,089.29 and 1,209,736.27 is: 1,669,431.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228,331.79 : 3,075,089.29 = 1,209,736.27 : x
  2. Step 2: Convert to fraction form
    2,228,331.79/3,075,089.29 = 1,209,736.27/x
  3. Step 3: Cross multiply
    2,228,331.79x = 3,075,089.29 × 1,209,736.27
  4. Step 4: Simplify right side
    2,228,331.79x = 3,720,047,047,601.55
  5. Step 5: Solve for x
    x = 3,720,047,047,601.55/2,228,331.79
  6. Step 6: Final answer
    x = 1,669,431.39

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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.