Home / 3,931,495.80-5,427,138.15-2,643,083.52

Finding the Fourth Proportional to 3,931,495.80, 5,427,138.15 and 2,643,083.52

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Solution

The fourth proportional to 3,931,495.80, 5,427,138.15 and 2,643,083.52 is: 3,648,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,495.80 : 5,427,138.15 = 2,643,083.52 : x
  2. Step 2: Convert to fraction form
    3,931,495.80/5,427,138.15 = 2,643,083.52/x
  3. Step 3: Cross multiply
    3,931,495.80x = 5,427,138.15 × 2,643,083.52
  4. Step 4: Simplify right side
    3,931,495.80x = 14,344,379,405,028.29
  5. Step 5: Solve for x
    x = 14,344,379,405,028.29/3,931,495.80
  6. Step 6: Final answer
    x = 3,648,580.63

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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.