Home / 4,074,007.05-6,111,010.58-1,378,420.20

Finding the Fourth Proportional to 4,074,007.05, 6,111,010.58 and 1,378,420.20

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Solution

The fourth proportional to 4,074,007.05, 6,111,010.58 and 1,378,420.20 is: 2,067,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074,007.05 : 6,111,010.58 = 1,378,420.20 : x
  2. Step 2: Convert to fraction form
    4,074,007.05/6,111,010.58 = 1,378,420.20/x
  3. Step 3: Cross multiply
    4,074,007.05x = 6,111,010.58 × 1,378,420.20
  4. Step 4: Simplify right side
    4,074,007.05x = 8,423,540,418,993.62
  5. Step 5: Solve for x
    x = 8,423,540,418,993.62/4,074,007.05
  6. Step 6: Final answer
    x = 2,067,630.30

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1.5x scale

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.