Home / 2,180,726.70-3,271,445.37-643,877.46

Finding the Fourth Proportional to 2,180,726.70, 3,271,445.37 and 643,877.46

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Solution

The fourth proportional to 2,180,726.70, 3,271,445.37 and 643,877.46 is: 965,921.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,726.70 : 3,271,445.37 = 643,877.46 : x
  2. Step 2: Convert to fraction form
    2,180,726.70/3,271,445.37 = 643,877.46/x
  3. Step 3: Cross multiply
    2,180,726.70x = 3,271,445.37 × 643,877.46
  4. Step 4: Simplify right side
    2,180,726.70x = 2,106,409,942,150.76
  5. Step 5: Solve for x
    x = 2,106,409,942,150.76/2,180,726.70
  6. Step 6: Final answer
    x = 965,921.11

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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.