Home / 3,925,720.47-5,417,136.78-2,271,581.67

Finding the Fourth Proportional to 3,925,720.47, 5,417,136.78 and 2,271,581.67

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Solution

The fourth proportional to 3,925,720.47, 5,417,136.78 and 2,271,581.67 is: 3,134,575.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925,720.47 : 5,417,136.78 = 2,271,581.67 : x
  2. Step 2: Convert to fraction form
    3,925,720.47/5,417,136.78 = 2,271,581.67/x
  3. Step 3: Cross multiply
    3,925,720.47x = 5,417,136.78 × 2,271,581.67
  4. Step 4: Simplify right side
    3,925,720.47x = 12,305,468,613,330.82
  5. Step 5: Solve for x
    x = 12,305,468,613,330.82/3,925,720.47
  6. Step 6: Final answer
    x = 3,134,575.86

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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.