Home / 2,643,668.52-3,965,712.92-1,127,364.40

Finding the Fourth Proportional to 2,643,668.52, 3,965,712.92 and 1,127,364.40

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Solution

The fourth proportional to 2,643,668.52, 3,965,712.92 and 1,127,364.40 is: 1,691,136.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,668.52 : 3,965,712.92 = 1,127,364.40 : x
  2. Step 2: Convert to fraction form
    2,643,668.52/3,965,712.92 = 1,127,364.40/x
  3. Step 3: Cross multiply
    2,643,668.52x = 3,965,712.92 × 1,127,364.40
  4. Step 4: Simplify right side
    2,643,668.52x = 4,470,803,566,628.05
  5. Step 5: Solve for x
    x = 4,470,803,566,628.05/2,643,668.52
  6. Step 6: Final answer
    x = 1,691,136.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.