Home / 2,810,788.85-3,878,889.81-1,521,629.21

Finding the Fourth Proportional to 2,810,788.85, 3,878,889.81 and 1,521,629.21

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Solution

The fourth proportional to 2,810,788.85, 3,878,889.81 and 1,521,629.21 is: 2,099,848.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,788.85 : 3,878,889.81 = 1,521,629.21 : x
  2. Step 2: Convert to fraction form
    2,810,788.85/3,878,889.81 = 1,521,629.21/x
  3. Step 3: Cross multiply
    2,810,788.85x = 3,878,889.81 × 1,521,629.21
  4. Step 4: Simplify right side
    2,810,788.85x = 5,902,232,037,267.35
  5. Step 5: Solve for x
    x = 5,902,232,037,267.35/2,810,788.85
  6. Step 6: Final answer
    x = 2,099,848.96

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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.