Home / 3,115,835.28-4,299,865.62-1,685,051.28

Finding the Fourth Proportional to 3,115,835.28, 4,299,865.62 and 1,685,051.28

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Solution

The fourth proportional to 3,115,835.28, 4,299,865.62 and 1,685,051.28 is: 2,325,377.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,835.28 : 4,299,865.62 = 1,685,051.28 : x
  2. Step 2: Convert to fraction form
    3,115,835.28/4,299,865.62 = 1,685,051.28/x
  3. Step 3: Cross multiply
    3,115,835.28x = 4,299,865.62 × 1,685,051.28
  4. Step 4: Simplify right side
    3,115,835.28x = 7,245,494,066,808.99
  5. Step 5: Solve for x
    x = 7,245,494,066,808.99/3,115,835.28
  6. Step 6: Final answer
    x = 2,325,377.76

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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.