Home / 3,998,113.20-5,997,165.12-1,302,434.10

Finding the Fourth Proportional to 3,998,113.20, 5,997,165.12 and 1,302,434.10

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Solution

The fourth proportional to 3,998,113.20, 5,997,165.12 and 1,302,434.10 is: 1,953,649.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998,113.20 : 5,997,165.12 = 1,302,434.10 : x
  2. Step 2: Convert to fraction form
    3,998,113.20/5,997,165.12 = 1,302,434.10/x
  3. Step 3: Cross multiply
    3,998,113.20x = 5,997,165.12 × 1,302,434.10
  4. Step 4: Simplify right side
    3,998,113.20x = 7,810,912,355,618.59
  5. Step 5: Solve for x
    x = 7,810,912,355,618.59/3,998,113.20
  6. Step 6: Final answer
    x = 1,953,649.63

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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.