Home / 2,228,411.52-3,075,207.84-1,209,816.36

Finding the Fourth Proportional to 2,228,411.52, 3,075,207.84 and 1,209,816.36

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Solution

The fourth proportional to 2,228,411.52, 3,075,207.84 and 1,209,816.36 is: 1,669,546.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228,411.52 : 3,075,207.84 = 1,209,816.36 : x
  2. Step 2: Convert to fraction form
    2,228,411.52/3,075,207.84 = 1,209,816.36/x
  3. Step 3: Cross multiply
    2,228,411.52x = 3,075,207.84 × 1,209,816.36
  4. Step 4: Simplify right side
    2,228,411.52x = 3,720,436,755,232.26
  5. Step 5: Solve for x
    x = 3,720,436,755,232.26/2,228,411.52
  6. Step 6: Final answer
    x = 1,669,546.55

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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.