Home / 2,271,138.40-3,406,707.60-1,933,400.80

Finding the Fourth Proportional to 2,271,138.40, 3,406,707.60 and 1,933,400.80

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Solution

The fourth proportional to 2,271,138.40, 3,406,707.60 and 1,933,400.80 is: 2,900,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271,138.40 : 3,406,707.60 = 1,933,400.80 : x
  2. Step 2: Convert to fraction form
    2,271,138.40/3,406,707.60 = 1,933,400.80/x
  3. Step 3: Cross multiply
    2,271,138.40x = 3,406,707.60 × 1,933,400.80
  4. Step 4: Simplify right side
    2,271,138.40x = 6,586,531,199,206.08
  5. Step 5: Solve for x
    x = 6,586,531,199,206.08/2,271,138.40
  6. Step 6: Final answer
    x = 2,900,101.20

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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.