Home / 3,989,795.38-5,985,533.70-1,293,910.38

Finding the Fourth Proportional to 3,989,795.38, 5,985,533.70 and 1,293,910.38

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Solution

The fourth proportional to 3,989,795.38, 5,985,533.70 and 1,293,910.38 is: 1,941,138.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,795.38 : 5,985,533.70 = 1,293,910.38 : x
  2. Step 2: Convert to fraction form
    3,989,795.38/5,985,533.70 = 1,293,910.38/x
  3. Step 3: Cross multiply
    3,989,795.38x = 5,985,533.70 × 1,293,910.38
  4. Step 4: Simplify right side
    3,989,795.38x = 7,744,744,184,269.81
  5. Step 5: Solve for x
    x = 7,744,744,184,269.81/3,989,795.38
  6. Step 6: Final answer
    x = 1,941,138.19

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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.