Home / 3,878,452.69-5,352,301.90-2,136,161.58

Finding the Fourth Proportional to 3,878,452.69, 5,352,301.90 and 2,136,161.58

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Solution

The fourth proportional to 3,878,452.69, 5,352,301.90 and 2,136,161.58 is: 2,947,923.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,452.69 : 5,352,301.90 = 2,136,161.58 : x
  2. Step 2: Convert to fraction form
    3,878,452.69/5,352,301.90 = 2,136,161.58/x
  3. Step 3: Cross multiply
    3,878,452.69x = 5,352,301.90 × 2,136,161.58
  4. Step 4: Simplify right side
    3,878,452.69x = 11,433,381,684,030.86
  5. Step 5: Solve for x
    x = 11,433,381,684,030.86/3,878,452.69
  6. Step 6: Final answer
    x = 2,947,923.46

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1.5x scale

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.