Home / 2,720,588.58-4,083,439.64-1,424,671.12

Finding the Fourth Proportional to 2,720,588.58, 4,083,439.64 and 1,424,671.12

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Solution

The fourth proportional to 2,720,588.58, 4,083,439.64 and 1,424,671.12 is: 2,138,345.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,588.58 : 4,083,439.64 = 1,424,671.12 : x
  2. Step 2: Convert to fraction form
    2,720,588.58/4,083,439.64 = 1,424,671.12/x
  3. Step 3: Cross multiply
    2,720,588.58x = 4,083,439.64 × 1,424,671.12
  4. Step 4: Simplify right side
    2,720,588.58x = 5,817,558,500,382.79
  5. Step 5: Solve for x
    x = 5,817,558,500,382.79/2,720,588.58
  6. Step 6: Final answer
    x = 2,138,345.56

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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.