Home / 5,415,047.80-8,122,571.70-2,222,465.20

Finding the Fourth Proportional to 5,415,047.80, 8,122,571.70 and 2,222,465.20

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Solution

The fourth proportional to 5,415,047.80, 8,122,571.70 and 2,222,465.20 is: 3,333,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415,047.80 : 8,122,571.70 = 2,222,465.20 : x
  2. Step 2: Convert to fraction form
    5,415,047.80/8,122,571.70 = 2,222,465.20/x
  3. Step 3: Cross multiply
    5,415,047.80x = 8,122,571.70 × 2,222,465.20
  4. Step 4: Simplify right side
    5,415,047.80x = 18,052,132,937,754.84
  5. Step 5: Solve for x
    x = 18,052,132,937,754.84/5,415,047.80
  6. Step 6: Final answer
    x = 3,333,697.80

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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.