Home / 3,159,821-4,360,665.12-1,783,499.84

Finding the Fourth Proportional to 3,159,821, 4,360,665.12 and 1,783,499.84

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Solution

The fourth proportional to 3,159,821, 4,360,665.12 and 1,783,499.84 is: 2,461,293.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159,821 : 4,360,665.12 = 1,783,499.84 : x
  2. Step 2: Convert to fraction form
    3,159,821/4,360,665.12 = 1,783,499.84/x
  3. Step 3: Cross multiply
    3,159,821x = 4,360,665.12 × 1,783,499.84
  4. Step 4: Simplify right side
    3,159,821x = 7,777,245,543,813.58
  5. Step 5: Solve for x
    x = 7,777,245,543,813.58/3,159,821
  6. Step 6: Final answer
    x = 2,461,293.07

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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.