Home / 4,831,778.38-7,247,290.65-2,808,731.90

Finding the Fourth Proportional to 4,831,778.38, 7,247,290.65 and 2,808,731.90

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Solution

The fourth proportional to 4,831,778.38, 7,247,290.65 and 2,808,731.90 is: 4,212,878.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831,778.38 : 7,247,290.65 = 2,808,731.90 : x
  2. Step 2: Convert to fraction form
    4,831,778.38/7,247,290.65 = 2,808,731.90/x
  3. Step 3: Cross multiply
    4,831,778.38x = 7,247,290.65 × 2,808,731.90
  4. Step 4: Simplify right side
    4,831,778.38x = 20,355,696,419,108.51
  5. Step 5: Solve for x
    x = 20,355,696,419,108.51/4,831,778.38
  6. Step 6: Final answer
    x = 4,212,878.74

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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.