Home / 2,958,221.40-4,428,000.90-2,118,413.40

Finding the Fourth Proportional to 2,958,221.40, 4,428,000.90 and 2,118,413.40

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Solution

The fourth proportional to 2,958,221.40, 4,428,000.90 and 2,118,413.40 is: 3,170,937.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958,221.40 : 4,428,000.90 = 2,118,413.40 : x
  2. Step 2: Convert to fraction form
    2,958,221.40/4,428,000.90 = 2,118,413.40/x
  3. Step 3: Cross multiply
    2,958,221.40x = 4,428,000.90 × 2,118,413.40
  4. Step 4: Simplify right side
    2,958,221.40x = 9,380,336,441,772.06
  5. Step 5: Solve for x
    x = 9,380,336,441,772.06/2,958,221.40
  6. Step 6: Final answer
    x = 3,170,937.93

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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.