Home / 2,543,431.32-3,509,066.88-1,576,208.70

Finding the Fourth Proportional to 2,543,431.32, 3,509,066.88 and 1,576,208.70

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Solution

The fourth proportional to 2,543,431.32, 3,509,066.88 and 1,576,208.70 is: 2,174,629.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543,431.32 : 3,509,066.88 = 1,576,208.70 : x
  2. Step 2: Convert to fraction form
    2,543,431.32/3,509,066.88 = 1,576,208.70/x
  3. Step 3: Cross multiply
    2,543,431.32x = 3,509,066.88 × 1,576,208.70
  4. Step 4: Simplify right side
    2,543,431.32x = 5,531,021,745,137.86
  5. Step 5: Solve for x
    x = 5,531,021,745,137.86/2,543,431.32
  6. Step 6: Final answer
    x = 2,174,629.88

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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.