Home / 1,608,181.42-2,219,133.28-929,103.34

Finding the Fourth Proportional to 1,608,181.42, 2,219,133.28 and 929,103.34

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Solution

The fourth proportional to 1,608,181.42, 2,219,133.28 and 929,103.34 is: 1,282,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,181.42 : 2,219,133.28 = 929,103.34 : x
  2. Step 2: Convert to fraction form
    1,608,181.42/2,219,133.28 = 929,103.34/x
  3. Step 3: Cross multiply
    1,608,181.42x = 2,219,133.28 × 929,103.34
  4. Step 4: Simplify right side
    1,608,181.42x = 2,061,804,126,611.97
  5. Step 5: Solve for x
    x = 2,061,804,126,611.97/1,608,181.42
  6. Step 6: Final answer
    x = 1,282,071.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.