Home / 1,672,676.31-2,308,340.53-947,523.81

Finding the Fourth Proportional to 1,672,676.31, 2,308,340.53 and 947,523.81

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Solution

The fourth proportional to 1,672,676.31, 2,308,340.53 and 947,523.81 is: 1,307,609.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,676.31 : 2,308,340.53 = 947,523.81 : x
  2. Step 2: Convert to fraction form
    1,672,676.31/2,308,340.53 = 947,523.81/x
  3. Step 3: Cross multiply
    1,672,676.31x = 2,308,340.53 × 947,523.81
  4. Step 4: Simplify right side
    1,672,676.31x = 2,187,207,613,763.02
  5. Step 5: Solve for x
    x = 2,187,207,613,763.02/1,672,676.31
  6. Step 6: Final answer
    x = 1,307,609.61

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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.