Home / 2,930,068.42-4,040,413.05-2,167,709.38

Finding the Fourth Proportional to 2,930,068.42, 4,040,413.05 and 2,167,709.38

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Solution

The fourth proportional to 2,930,068.42, 4,040,413.05 and 2,167,709.38 is: 2,989,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930,068.42 : 4,040,413.05 = 2,167,709.38 : x
  2. Step 2: Convert to fraction form
    2,930,068.42/4,040,413.05 = 2,167,709.38/x
  3. Step 3: Cross multiply
    2,930,068.42x = 4,040,413.05 × 2,167,709.38
  4. Step 4: Simplify right side
    2,930,068.42x = 8,758,441,267,559.41
  5. Step 5: Solve for x
    x = 8,758,441,267,559.41/2,930,068.42
  6. Step 6: Final answer
    x = 2,989,159.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.