Home / 2,299,297.10-3,172,878.20-1,380,980.58

Finding the Fourth Proportional to 2,299,297.10, 3,172,878.20 and 1,380,980.58

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Solution

The fourth proportional to 2,299,297.10, 3,172,878.20 and 1,380,980.58 is: 1,905,662.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299,297.10 : 3,172,878.20 = 1,380,980.58 : x
  2. Step 2: Convert to fraction form
    2,299,297.10/3,172,878.20 = 1,380,980.58/x
  3. Step 3: Cross multiply
    2,299,297.10x = 3,172,878.20 × 1,380,980.58
  4. Step 4: Simplify right side
    2,299,297.10x = 4,381,683,170,000.45
  5. Step 5: Solve for x
    x = 4,381,683,170,000.45/2,299,297.10
  6. Step 6: Final answer
    x = 1,905,662.03

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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.