Home / 5,391,765.20-8,087,647.80-2,557,413.20

Finding the Fourth Proportional to 5,391,765.20, 8,087,647.80 and 2,557,413.20

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Solution

The fourth proportional to 5,391,765.20, 8,087,647.80 and 2,557,413.20 is: 3,836,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391,765.20 : 8,087,647.80 = 2,557,413.20 : x
  2. Step 2: Convert to fraction form
    5,391,765.20/8,087,647.80 = 2,557,413.20/x
  3. Step 3: Cross multiply
    5,391,765.20x = 8,087,647.80 × 2,557,413.20
  4. Step 4: Simplify right side
    5,391,765.20x = 20,683,457,240,670.96
  5. Step 5: Solve for x
    x = 20,683,457,240,670.96/5,391,765.20
  6. Step 6: Final answer
    x = 3,836,119.80

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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.