Home / 3,265,125.60-4,897,688.40-2,131,384.80

Finding the Fourth Proportional to 3,265,125.60, 4,897,688.40 and 2,131,384.80

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Solution

The fourth proportional to 3,265,125.60, 4,897,688.40 and 2,131,384.80 is: 3,197,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265,125.60 : 4,897,688.40 = 2,131,384.80 : x
  2. Step 2: Convert to fraction form
    3,265,125.60/4,897,688.40 = 2,131,384.80/x
  3. Step 3: Cross multiply
    3,265,125.60x = 4,897,688.40 × 2,131,384.80
  4. Step 4: Simplify right side
    3,265,125.60x = 10,438,858,610,896.32
  5. Step 5: Solve for x
    x = 10,438,858,610,896.32/3,265,125.60
  6. Step 6: Final answer
    x = 3,197,077.20

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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.