Home / 1,831,745.76-2,524,889.39-1,443,929.15

Finding the Fourth Proportional to 1,831,745.76, 2,524,889.39 and 1,443,929.15

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Solution

The fourth proportional to 1,831,745.76, 2,524,889.39 and 1,443,929.15 is: 1,990,320.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831,745.76 : 2,524,889.39 = 1,443,929.15 : x
  2. Step 2: Convert to fraction form
    1,831,745.76/2,524,889.39 = 1,443,929.15/x
  3. Step 3: Cross multiply
    1,831,745.76x = 2,524,889.39 × 1,443,929.15
  4. Step 4: Simplify right side
    1,831,745.76x = 3,645,761,370,902.63
  5. Step 5: Solve for x
    x = 3,645,761,370,902.63/1,831,745.76
  6. Step 6: Final answer
    x = 1,990,320.63

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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.