Home / 2,629,931.40-3,944,897.10-2,157,150.60

Finding the Fourth Proportional to 2,629,931.40, 3,944,897.10 and 2,157,150.60

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Solution

The fourth proportional to 2,629,931.40, 3,944,897.10 and 2,157,150.60 is: 3,235,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,931.40 : 3,944,897.10 = 2,157,150.60 : x
  2. Step 2: Convert to fraction form
    2,629,931.40/3,944,897.10 = 2,157,150.60/x
  3. Step 3: Cross multiply
    2,629,931.40x = 3,944,897.10 × 2,157,150.60
  4. Step 4: Simplify right side
    2,629,931.40x = 8,509,737,146,203.26
  5. Step 5: Solve for x
    x = 8,509,737,146,203.26/2,629,931.40
  6. Step 6: Final answer
    x = 3,235,725.90

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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.