Home / 2,218,513.52-3,328,138.19-778,823.27

Finding the Fourth Proportional to 2,218,513.52, 3,328,138.19 and 778,823.27

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Solution

The fourth proportional to 2,218,513.52, 3,328,138.19 and 778,823.27 is: 1,168,364.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,513.52 : 3,328,138.19 = 778,823.27 : x
  2. Step 2: Convert to fraction form
    2,218,513.52/3,328,138.19 = 778,823.27/x
  3. Step 3: Cross multiply
    2,218,513.52x = 3,328,138.19 × 778,823.27
  4. Step 4: Simplify right side
    2,218,513.52x = 2,592,031,465,934.57
  5. Step 5: Solve for x
    x = 2,592,031,465,934.57/2,218,513.52
  6. Step 6: Final answer
    x = 1,168,364.06

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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.