Home / 2,958,231.40-4,428,015.90-2,118,423.40

Finding the Fourth Proportional to 2,958,231.40, 4,428,015.90 and 2,118,423.40

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Solution

The fourth proportional to 2,958,231.40, 4,428,015.90 and 2,118,423.40 is: 3,170,952.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958,231.40 : 4,428,015.90 = 2,118,423.40 : x
  2. Step 2: Convert to fraction form
    2,958,231.40/4,428,015.90 = 2,118,423.40/x
  3. Step 3: Cross multiply
    2,958,231.40x = 4,428,015.90 × 2,118,423.40
  4. Step 4: Simplify right side
    2,958,231.40x = 9,380,412,498,132.06
  5. Step 5: Solve for x
    x = 9,380,412,498,132.06/2,958,231.40
  6. Step 6: Final answer
    x = 3,170,952.92

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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.