Home / 2,312,017.28-3,190,511.76-1,279,462.92

Finding the Fourth Proportional to 2,312,017.28, 3,190,511.76 and 1,279,462.92

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Solution

The fourth proportional to 2,312,017.28, 3,190,511.76 and 1,279,462.92 is: 1,765,618.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,017.28 : 3,190,511.76 = 1,279,462.92 : x
  2. Step 2: Convert to fraction form
    2,312,017.28/3,190,511.76 = 1,279,462.92/x
  3. Step 3: Cross multiply
    2,312,017.28x = 3,190,511.76 × 1,279,462.92
  4. Step 4: Simplify right side
    2,312,017.28x = 4,082,141,492,743.94
  5. Step 5: Solve for x
    x = 4,082,141,492,743.94/2,312,017.28
  6. Step 6: Final answer
    x = 1,765,618.94

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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.