Home / 3,934,860.77-5,430,118.91-2,281,329.22

Finding the Fourth Proportional to 3,934,860.77, 5,430,118.91 and 2,281,329.22

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Solution

The fourth proportional to 3,934,860.77, 5,430,118.91 and 2,281,329.22 is: 3,148,240.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934,860.77 : 5,430,118.91 = 2,281,329.22 : x
  2. Step 2: Convert to fraction form
    3,934,860.77/5,430,118.91 = 2,281,329.22/x
  3. Step 3: Cross multiply
    3,934,860.77x = 5,430,118.91 × 2,281,329.22
  4. Step 4: Simplify right side
    3,934,860.77x = 12,387,888,949,948.52
  5. Step 5: Solve for x
    x = 12,387,888,949,948.52/3,934,860.77
  6. Step 6: Final answer
    x = 3,148,240.73

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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.