Home / 4,831,172.92-7,250,018.78-1,991,222.20

Finding the Fourth Proportional to 4,831,172.92, 7,250,018.78 and 1,991,222.20

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Solution

The fourth proportional to 4,831,172.92, 7,250,018.78 and 1,991,222.20 is: 2,988,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831,172.92 : 7,250,018.78 = 1,991,222.20 : x
  2. Step 2: Convert to fraction form
    4,831,172.92/7,250,018.78 = 1,991,222.20/x
  3. Step 3: Cross multiply
    4,831,172.92x = 7,250,018.78 × 1,991,222.20
  4. Step 4: Simplify right side
    4,831,172.92x = 14,436,398,345,152.92
  5. Step 5: Solve for x
    x = 14,436,398,345,152.92/4,831,172.92
  6. Step 6: Final answer
    x = 2,988,176.70

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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.