Home / 3,571,350.86-4,928,500-1,939,790.12

Finding the Fourth Proportional to 3,571,350.86, 4,928,500 and 1,939,790.12

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Solution

The fourth proportional to 3,571,350.86, 4,928,500 and 1,939,790.12 is: 2,676,929.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571,350.86 : 4,928,500 = 1,939,790.12 : x
  2. Step 2: Convert to fraction form
    3,571,350.86/4,928,500 = 1,939,790.12/x
  3. Step 3: Cross multiply
    3,571,350.86x = 4,928,500 × 1,939,790.12
  4. Step 4: Simplify right side
    3,571,350.86x = 9,560,255,606,420
  5. Step 5: Solve for x
    x = 9,560,255,606,420/3,571,350.86
  6. Step 6: Final answer
    x = 2,676,929.82

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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.