Home / 5,215,558.09-7,823,215.03-1,377,648.35

Finding the Fourth Proportional to 5,215,558.09, 7,823,215.03 and 1,377,648.35

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Solution

The fourth proportional to 5,215,558.09, 7,823,215.03 and 1,377,648.35 is: 2,066,440.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,558.09 : 7,823,215.03 = 1,377,648.35 : x
  2. Step 2: Convert to fraction form
    5,215,558.09/7,823,215.03 = 1,377,648.35/x
  3. Step 3: Cross multiply
    5,215,558.09x = 7,823,215.03 × 1,377,648.35
  4. Step 4: Simplify right side
    5,215,558.09x = 10,777,639,307,265.74
  5. Step 5: Solve for x
    x = 10,777,639,307,265.74/5,215,558.09
  6. Step 6: Final answer
    x = 2,066,440.28

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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.