Home / 1,906,926.40-2,860,386.90-486,983.44

Finding the Fourth Proportional to 1,906,926.40, 2,860,386.90 and 486,983.44

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Solution

The fourth proportional to 1,906,926.40, 2,860,386.90 and 486,983.44 is: 730,474.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,926.40 : 2,860,386.90 = 486,983.44 : x
  2. Step 2: Convert to fraction form
    1,906,926.40/2,860,386.90 = 486,983.44/x
  3. Step 3: Cross multiply
    1,906,926.40x = 2,860,386.90 × 486,983.44
  4. Step 4: Simplify right side
    1,906,926.40x = 1,392,961,052,292.94
  5. Step 5: Solve for x
    x = 1,392,961,052,292.94/1,906,926.40
  6. Step 6: Final answer
    x = 730,474.47

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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.