Home / 1,939,185.41-2,908,778.13-609,489.41

Finding the Fourth Proportional to 1,939,185.41, 2,908,778.13 and 609,489.41

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Solution

The fourth proportional to 1,939,185.41, 2,908,778.13 and 609,489.41 is: 914,234.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,185.41 : 2,908,778.13 = 609,489.41 : x
  2. Step 2: Convert to fraction form
    1,939,185.41/2,908,778.13 = 609,489.41/x
  3. Step 3: Cross multiply
    1,939,185.41x = 2,908,778.13 × 609,489.41
  4. Step 4: Simplify right side
    1,939,185.41x = 1,772,869,451,730.71
  5. Step 5: Solve for x
    x = 1,772,869,451,730.71/1,939,185.41
  6. Step 6: Final answer
    x = 914,234.11

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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.