Home / 2,809,660.77-4,214,502.09-679,741.47

Finding the Fourth Proportional to 2,809,660.77, 4,214,502.09 and 679,741.47

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Solution

The fourth proportional to 2,809,660.77, 4,214,502.09 and 679,741.47 is: 1,019,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,660.77 : 4,214,502.09 = 679,741.47 : x
  2. Step 2: Convert to fraction form
    2,809,660.77/4,214,502.09 = 679,741.47/x
  3. Step 3: Cross multiply
    2,809,660.77x = 4,214,502.09 × 679,741.47
  4. Step 4: Simplify right side
    2,809,660.77x = 2,864,771,845,974.67
  5. Step 5: Solve for x
    x = 2,864,771,845,974.67/2,809,660.77
  6. Step 6: Final answer
    x = 1,019,614.85

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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.