Home / 3,947,423.82-5,447,461.23-2,136,587.82

Finding the Fourth Proportional to 3,947,423.82, 5,447,461.23 and 2,136,587.82

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Solution

The fourth proportional to 3,947,423.82, 5,447,461.23 and 2,136,587.82 is: 2,948,500.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,423.82 : 5,447,461.23 = 2,136,587.82 : x
  2. Step 2: Convert to fraction form
    3,947,423.82/5,447,461.23 = 2,136,587.82/x
  3. Step 3: Cross multiply
    3,947,423.82x = 5,447,461.23 × 2,136,587.82
  4. Step 4: Simplify right side
    3,947,423.82x = 11,638,979,313,940.22
  5. Step 5: Solve for x
    x = 11,638,979,313,940.22/3,947,423.82
  6. Step 6: Final answer
    x = 2,948,500.05

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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.