Home / 3,834,635.81-5,291,793.45-2,115,756.18

Finding the Fourth Proportional to 3,834,635.81, 5,291,793.45 and 2,115,756.18

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Solution

The fourth proportional to 3,834,635.81, 5,291,793.45 and 2,115,756.18 is: 2,919,741.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834,635.81 : 5,291,793.45 = 2,115,756.18 : x
  2. Step 2: Convert to fraction form
    3,834,635.81/5,291,793.45 = 2,115,756.18/x
  3. Step 3: Cross multiply
    3,834,635.81x = 5,291,793.45 × 2,115,756.18
  4. Step 4: Simplify right side
    3,834,635.81x = 11,196,144,695,121.02
  5. Step 5: Solve for x
    x = 11,196,144,695,121.02/3,834,635.81
  6. Step 6: Final answer
    x = 2,919,741.34

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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.