Home / 3,156,872.23-4,357,668.36-2,069,213.86

Finding the Fourth Proportional to 3,156,872.23, 4,357,668.36 and 2,069,213.86

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Solution

The fourth proportional to 3,156,872.23, 4,357,668.36 and 2,069,213.86 is: 2,856,291.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156,872.23 : 4,357,668.36 = 2,069,213.86 : x
  2. Step 2: Convert to fraction form
    3,156,872.23/4,357,668.36 = 2,069,213.86/x
  3. Step 3: Cross multiply
    3,156,872.23x = 4,357,668.36 × 2,069,213.86
  4. Step 4: Simplify right side
    3,156,872.23x = 9,016,947,767,795.47
  5. Step 5: Solve for x
    x = 9,016,947,767,795.47/3,156,872.23
  6. Step 6: Final answer
    x = 2,856,291.64

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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.