Home / 3,220,961.76-4,831,316.54-1,091,045.88

Finding the Fourth Proportional to 3,220,961.76, 4,831,316.54 and 1,091,045.88

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Solution

The fourth proportional to 3,220,961.76, 4,831,316.54 and 1,091,045.88 is: 1,636,526.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,961.76 : 4,831,316.54 = 1,091,045.88 : x
  2. Step 2: Convert to fraction form
    3,220,961.76/4,831,316.54 = 1,091,045.88/x
  3. Step 3: Cross multiply
    3,220,961.76x = 4,831,316.54 × 1,091,045.88
  4. Step 4: Simplify right side
    3,220,961.76x = 5,271,188,005,942.85
  5. Step 5: Solve for x
    x = 5,271,188,005,942.85/3,220,961.76
  6. Step 6: Final answer
    x = 1,636,526.11

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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.