Home / 3,887,992.80-5,831,989.20-3,390,328.80

Finding the Fourth Proportional to 3,887,992.80, 5,831,989.20 and 3,390,328.80

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Solution

The fourth proportional to 3,887,992.80, 5,831,989.20 and 3,390,328.80 is: 5,085,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,992.80 : 5,831,989.20 = 3,390,328.80 : x
  2. Step 2: Convert to fraction form
    3,887,992.80/5,831,989.20 = 3,390,328.80/x
  3. Step 3: Cross multiply
    3,887,992.80x = 5,831,989.20 × 3,390,328.80
  4. Step 4: Simplify right side
    3,887,992.80x = 19,772,360,946,048.96
  5. Step 5: Solve for x
    x = 19,772,360,946,048.96/3,887,992.80
  6. Step 6: Final answer
    x = 5,085,493.20

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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.