Home / 6,340,040.09-8,749,250.87-3,439,431.51

Finding the Fourth Proportional to 6,340,040.09, 8,749,250.87 and 3,439,431.51

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Solution

The fourth proportional to 6,340,040.09, 8,749,250.87 and 3,439,431.51 is: 4,746,413.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340,040.09 : 8,749,250.87 = 3,439,431.51 : x
  2. Step 2: Convert to fraction form
    6,340,040.09/8,749,250.87 = 3,439,431.51/x
  3. Step 3: Cross multiply
    6,340,040.09x = 8,749,250.87 × 3,439,431.51
  4. Step 4: Simplify right side
    6,340,040.09x = 30,092,449,131,172.91
  5. Step 5: Solve for x
    x = 30,092,449,131,172.91/6,340,040.09
  6. Step 6: Final answer
    x = 4,746,413.07

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1.5x scale

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.