Home / 3,072,944.89-4,607,030-1,991,171.82

Finding the Fourth Proportional to 3,072,944.89, 4,607,030 and 1,991,171.82

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Solution

The fourth proportional to 3,072,944.89, 4,607,030 and 1,991,171.82 is: 2,985,210.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,944.89 : 4,607,030 = 1,991,171.82 : x
  2. Step 2: Convert to fraction form
    3,072,944.89/4,607,030 = 1,991,171.82/x
  3. Step 3: Cross multiply
    3,072,944.89x = 4,607,030 × 1,991,171.82
  4. Step 4: Simplify right side
    3,072,944.89x = 9,173,388,315,653.39
  5. Step 5: Solve for x
    x = 9,173,388,315,653.39/3,072,944.89
  6. Step 6: Final answer
    x = 2,985,210.81

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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.