Home / 3,931,515.30-5,427,165.06-2,643,103.02

Finding the Fourth Proportional to 3,931,515.30, 5,427,165.06 and 2,643,103.02

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Solution

The fourth proportional to 3,931,515.30, 5,427,165.06 and 2,643,103.02 is: 3,648,607.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,515.30 : 5,427,165.06 = 2,643,103.02 : x
  2. Step 2: Convert to fraction form
    3,931,515.30/5,427,165.06 = 2,643,103.02/x
  3. Step 3: Cross multiply
    3,931,515.30x = 5,427,165.06 × 2,643,103.02
  4. Step 4: Simplify right side
    3,931,515.30x = 14,344,556,360,124.48
  5. Step 5: Solve for x
    x = 14,344,556,360,124.48/3,931,515.30
  6. Step 6: Final answer
    x = 3,648,607.54

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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.