Home / 3,931,515.48-5,427,165.20-2,643,103

Finding the Fourth Proportional to 3,931,515.48, 5,427,165.20 and 2,643,103

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Solution

The fourth proportional to 3,931,515.48, 5,427,165.20 and 2,643,103 is: 3,648,607.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,515.48 : 5,427,165.20 = 2,643,103 : x
  2. Step 2: Convert to fraction form
    3,931,515.48/5,427,165.20 = 2,643,103/x
  3. Step 3: Cross multiply
    3,931,515.48x = 5,427,165.20 × 2,643,103
  4. Step 4: Simplify right side
    3,931,515.48x = 14,344,556,621,615.60
  5. Step 5: Solve for x
    x = 14,344,556,621,615.60/3,931,515.48
  6. Step 6: Final answer
    x = 3,648,607.44

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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.