Home / 4,679,170-7,018,755-1,687,354

Finding the Fourth Proportional to 4,679,170, 7,018,755 and 1,687,354

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Solution

The fourth proportional to 4,679,170, 7,018,755 and 1,687,354 is: 2,531,031

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679,170 : 7,018,755 = 1,687,354 : x
  2. Step 2: Convert to fraction form
    4,679,170/7,018,755 = 1,687,354/x
  3. Step 3: Cross multiply
    4,679,170x = 7,018,755 × 1,687,354
  4. Step 4: Simplify right side
    4,679,170x = 11,843,124,324,270
  5. Step 5: Solve for x
    x = 11,843,124,324,270/4,679,170
  6. Step 6: Final answer
    x = 2,531,031

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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.