Home / 3,115,108.90-4,673,157.40-1,318,005.84

Finding the Fourth Proportional to 3,115,108.90, 4,673,157.40 and 1,318,005.84

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Solution

The fourth proportional to 3,115,108.90, 4,673,157.40 and 1,318,005.84 is: 1,977,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,108.90 : 4,673,157.40 = 1,318,005.84 : x
  2. Step 2: Convert to fraction form
    3,115,108.90/4,673,157.40 = 1,318,005.84/x
  3. Step 3: Cross multiply
    3,115,108.90x = 4,673,157.40 × 1,318,005.84
  4. Step 4: Simplify right side
    3,115,108.90x = 6,159,248,763,611.06
  5. Step 5: Solve for x
    x = 6,159,248,763,611.06/3,115,108.90
  6. Step 6: Final answer
    x = 1,977,217.80

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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.