Home / 3,721,423.68-5,136,120-2,271,959.32

Finding the Fourth Proportional to 3,721,423.68, 5,136,120 and 2,271,959.32

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Solution

The fourth proportional to 3,721,423.68, 5,136,120 and 2,271,959.32 is: 3,135,642.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721,423.68 : 5,136,120 = 2,271,959.32 : x
  2. Step 2: Convert to fraction form
    3,721,423.68/5,136,120 = 2,271,959.32/x
  3. Step 3: Cross multiply
    3,721,423.68x = 5,136,120 × 2,271,959.32
  4. Step 4: Simplify right side
    3,721,423.68x = 11,669,055,702,638.40
  5. Step 5: Solve for x
    x = 11,669,055,702,638.40/3,721,423.68
  6. Step 6: Final answer
    x = 3,135,642.89

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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.