Home / 3,405,356.81-4,699,505.63-2,028,512.56

Finding the Fourth Proportional to 3,405,356.81, 4,699,505.63 and 2,028,512.56

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Solution

The fourth proportional to 3,405,356.81, 4,699,505.63 and 2,028,512.56 is: 2,799,414.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,356.81 : 4,699,505.63 = 2,028,512.56 : x
  2. Step 2: Convert to fraction form
    3,405,356.81/4,699,505.63 = 2,028,512.56/x
  3. Step 3: Cross multiply
    3,405,356.81x = 4,699,505.63 × 2,028,512.56
  4. Step 4: Simplify right side
    3,405,356.81x = 9,533,006,196,245.71
  5. Step 5: Solve for x
    x = 9,533,006,196,245.71/3,405,356.81
  6. Step 6: Final answer
    x = 2,799,414.78

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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.