Home / 4,388,441.83-6,580,295.79-1,990,978.45

Finding the Fourth Proportional to 4,388,441.83, 6,580,295.79 and 1,990,978.45

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Solution

The fourth proportional to 4,388,441.83, 6,580,295.79 and 1,990,978.45 is: 2,985,393.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,388,441.83 : 6,580,295.79 = 1,990,978.45 : x
  2. Step 2: Convert to fraction form
    4,388,441.83/6,580,295.79 = 1,990,978.45/x
  3. Step 3: Cross multiply
    4,388,441.83x = 6,580,295.79 × 1,990,978.45
  4. Step 4: Simplify right side
    4,388,441.83x = 13,101,227,112,515.72
  5. Step 5: Solve for x
    x = 13,101,227,112,515.72/4,388,441.83
  6. Step 6: Final answer
    x = 2,985,393.82

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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.