Home / 4,074,008.05-6,111,012.08-1,378,421.20

Finding the Fourth Proportional to 4,074,008.05, 6,111,012.08 and 1,378,421.20

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Solution

The fourth proportional to 4,074,008.05, 6,111,012.08 and 1,378,421.20 is: 2,067,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074,008.05 : 6,111,012.08 = 1,378,421.20 : x
  2. Step 2: Convert to fraction form
    4,074,008.05/6,111,012.08 = 1,378,421.20/x
  3. Step 3: Cross multiply
    4,074,008.05x = 6,111,012.08 × 1,378,421.20
  4. Step 4: Simplify right side
    4,074,008.05x = 8,423,548,604,528.10
  5. Step 5: Solve for x
    x = 8,423,548,604,528.10/4,074,008.05
  6. Step 6: Final answer
    x = 2,067,631.80

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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.