Home / 1,947,884.72-2,919,655.96-810,009.68

Finding the Fourth Proportional to 1,947,884.72, 2,919,655.96 and 810,009.68

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Solution

The fourth proportional to 1,947,884.72, 2,919,655.96 and 810,009.68 is: 1,214,111.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,884.72 : 2,919,655.96 = 810,009.68 : x
  2. Step 2: Convert to fraction form
    1,947,884.72/2,919,655.96 = 810,009.68/x
  3. Step 3: Cross multiply
    1,947,884.72x = 2,919,655.96 × 810,009.68
  4. Step 4: Simplify right side
    1,947,884.72x = 2,364,949,589,869.69
  5. Step 5: Solve for x
    x = 2,364,949,589,869.69/1,947,884.72
  6. Step 6: Final answer
    x = 1,214,111.68

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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.