Home / 2,194,428.20-3,291,642.30-2,180,431.40

Finding the Fourth Proportional to 2,194,428.20, 3,291,642.30 and 2,180,431.40

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Solution

The fourth proportional to 2,194,428.20, 3,291,642.30 and 2,180,431.40 is: 3,270,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194,428.20 : 3,291,642.30 = 2,180,431.40 : x
  2. Step 2: Convert to fraction form
    2,194,428.20/3,291,642.30 = 2,180,431.40/x
  3. Step 3: Cross multiply
    2,194,428.20x = 3,291,642.30 × 2,180,431.40
  4. Step 4: Simplify right side
    2,194,428.20x = 7,177,200,228,488.22
  5. Step 5: Solve for x
    x = 7,177,200,228,488.22/2,194,428.20
  6. Step 6: Final answer
    x = 3,270,647.10

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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.