Home / 4,831,171.92-7,250,017.28-1,991,221.20

Finding the Fourth Proportional to 4,831,171.92, 7,250,017.28 and 1,991,221.20

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Solution

The fourth proportional to 4,831,171.92, 7,250,017.28 and 1,991,221.20 is: 2,988,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831,171.92 : 7,250,017.28 = 1,991,221.20 : x
  2. Step 2: Convert to fraction form
    4,831,171.92/7,250,017.28 = 1,991,221.20/x
  3. Step 3: Cross multiply
    4,831,171.92x = 7,250,017.28 × 1,991,221.20
  4. Step 4: Simplify right side
    4,831,171.92x = 14,436,388,108,302.34
  5. Step 5: Solve for x
    x = 14,436,388,108,302.34/4,831,171.92
  6. Step 6: Final answer
    x = 2,988,175.20

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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.