Home / 3,778,818-5,216,630.52-2,618,144.31

Finding the Fourth Proportional to 3,778,818, 5,216,630.52 and 2,618,144.31

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Solution

The fourth proportional to 3,778,818, 5,216,630.52 and 2,618,144.31 is: 3,614,329.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,818 : 5,216,630.52 = 2,618,144.31 : x
  2. Step 2: Convert to fraction form
    3,778,818/5,216,630.52 = 2,618,144.31/x
  3. Step 3: Cross multiply
    3,778,818x = 5,216,630.52 × 2,618,144.31
  4. Step 4: Simplify right side
    3,778,818x = 13,657,891,513,310.34
  5. Step 5: Solve for x
    x = 13,657,891,513,310.34/3,778,818
  6. Step 6: Final answer
    x = 3,614,329.01

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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.