Home / 3,220,906.61-4,831,233.68-1,090,990.64

Finding the Fourth Proportional to 3,220,906.61, 4,831,233.68 and 1,090,990.64

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Solution

The fourth proportional to 3,220,906.61, 4,831,233.68 and 1,090,990.64 is: 1,636,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,906.61 : 4,831,233.68 = 1,090,990.64 : x
  2. Step 2: Convert to fraction form
    3,220,906.61/4,831,233.68 = 1,090,990.64/x
  3. Step 3: Cross multiply
    3,220,906.61x = 4,831,233.68 × 1,090,990.64
  4. Step 4: Simplify right side
    3,220,906.61x = 5,270,830,739,338.32
  5. Step 5: Solve for x
    x = 5,270,830,739,338.32/3,220,906.61
  6. Step 6: Final answer
    x = 1,636,443.20

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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.