Home / 3,120,181.29-4,307,176.01-1,896,877.44

Finding the Fourth Proportional to 3,120,181.29, 4,307,176.01 and 1,896,877.44

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Solution

The fourth proportional to 3,120,181.29, 4,307,176.01 and 1,896,877.44 is: 2,618,496.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,181.29 : 4,307,176.01 = 1,896,877.44 : x
  2. Step 2: Convert to fraction form
    3,120,181.29/4,307,176.01 = 1,896,877.44/x
  3. Step 3: Cross multiply
    3,120,181.29x = 4,307,176.01 × 1,896,877.44
  4. Step 4: Simplify right side
    3,120,181.29x = 8,170,185,008,220.41
  5. Step 5: Solve for x
    x = 8,170,185,008,220.41/3,120,181.29
  6. Step 6: Final answer
    x = 2,618,496.89

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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.