Home / 1,991,349.23-2,747,353.34-1,175,144.42

Finding the Fourth Proportional to 1,991,349.23, 2,747,353.34 and 1,175,144.42

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Solution

The fourth proportional to 1,991,349.23, 2,747,353.34 and 1,175,144.42 is: 1,621,281.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,349.23 : 2,747,353.34 = 1,175,144.42 : x
  2. Step 2: Convert to fraction form
    1,991,349.23/2,747,353.34 = 1,175,144.42/x
  3. Step 3: Cross multiply
    1,991,349.23x = 2,747,353.34 × 1,175,144.42
  4. Step 4: Simplify right side
    1,991,349.23x = 3,228,536,957,075.61
  5. Step 5: Solve for x
    x = 3,228,536,957,075.61/1,991,349.23
  6. Step 6: Final answer
    x = 1,621,281.15

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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.