Home / 3,878,488.81-5,352,557.67-2,136,157.85

Finding the Fourth Proportional to 3,878,488.81, 5,352,557.67 and 2,136,157.85

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Solution

The fourth proportional to 3,878,488.81, 5,352,557.67 and 2,136,157.85 is: 2,948,031.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,488.81 : 5,352,557.67 = 2,136,157.85 : x
  2. Step 2: Convert to fraction form
    3,878,488.81/5,352,557.67 = 2,136,157.85/x
  3. Step 3: Cross multiply
    3,878,488.81x = 5,352,557.67 × 2,136,157.85
  4. Step 4: Simplify right side
    3,878,488.81x = 11,433,908,084,348.21
  5. Step 5: Solve for x
    x = 11,433,908,084,348.21/3,878,488.81
  6. Step 6: Final answer
    x = 2,948,031.73

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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.