Home / 5,415,040.80-8,122,561.20-4,210,441.20

Finding the Fourth Proportional to 5,415,040.80, 8,122,561.20 and 4,210,441.20

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Solution

The fourth proportional to 5,415,040.80, 8,122,561.20 and 4,210,441.20 is: 6,315,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415,040.80 : 8,122,561.20 = 4,210,441.20 : x
  2. Step 2: Convert to fraction form
    5,415,040.80/8,122,561.20 = 4,210,441.20/x
  3. Step 3: Cross multiply
    5,415,040.80x = 8,122,561.20 × 4,210,441.20
  4. Step 4: Simplify right side
    5,415,040.80x = 34,199,566,326,001.44
  5. Step 5: Solve for x
    x = 34,199,566,326,001.44/5,415,040.80
  6. Step 6: Final answer
    x = 6,315,661.80

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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.