Home / 3,878,488.20-5,352,556.84-2,136,157.24

Finding the Fourth Proportional to 3,878,488.20, 5,352,556.84 and 2,136,157.24

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Solution

The fourth proportional to 3,878,488.20, 5,352,556.84 and 2,136,157.24 is: 2,948,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,488.20 : 5,352,556.84 = 2,136,157.24 : x
  2. Step 2: Convert to fraction form
    3,878,488.20/5,352,556.84 = 2,136,157.24/x
  3. Step 3: Cross multiply
    3,878,488.20x = 5,352,556.84 × 2,136,157.24
  4. Step 4: Simplify right side
    3,878,488.20x = 11,433,903,046,277.52
  5. Step 5: Solve for x
    x = 11,433,903,046,277.52/3,878,488.20
  6. Step 6: Final answer
    x = 2,948,030.90

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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.