Home / 3,420,878-5,137,960.08-2,518,756.88

Finding the Fourth Proportional to 3,420,878, 5,137,960.08 and 2,518,756.88

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Solution

The fourth proportional to 3,420,878, 5,137,960.08 and 2,518,756.88 is: 3,783,026.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,878 : 5,137,960.08 = 2,518,756.88 : x
  2. Step 2: Convert to fraction form
    3,420,878/5,137,960.08 = 2,518,756.88/x
  3. Step 3: Cross multiply
    3,420,878x = 5,137,960.08 × 2,518,756.88
  4. Step 4: Simplify right side
    3,420,878x = 12,941,272,300,665.35
  5. Step 5: Solve for x
    x = 12,941,272,300,665.35/3,420,878
  6. Step 6: Final answer
    x = 3,783,026.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.