Home / 4,388,441.58-6,580,295.42-1,990,978.20

Finding the Fourth Proportional to 4,388,441.58, 6,580,295.42 and 1,990,978.20

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Solution

The fourth proportional to 4,388,441.58, 6,580,295.42 and 1,990,978.20 is: 2,985,393.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,388,441.58 : 6,580,295.42 = 1,990,978.20 : x
  2. Step 2: Convert to fraction form
    4,388,441.58/6,580,295.42 = 1,990,978.20/x
  3. Step 3: Cross multiply
    4,388,441.58x = 6,580,295.42 × 1,990,978.20
  4. Step 4: Simplify right side
    4,388,441.58x = 13,101,224,720,824.95
  5. Step 5: Solve for x
    x = 13,101,224,720,824.95/4,388,441.58
  6. Step 6: Final answer
    x = 2,985,393.44

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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.