Home / 1,911,103.68-2,867,081.76-581,511.36

Finding the Fourth Proportional to 1,911,103.68, 2,867,081.76 and 581,511.36

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Solution

The fourth proportional to 1,911,103.68, 2,867,081.76 and 581,511.36 is: 872,396.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,103.68 : 2,867,081.76 = 581,511.36 : x
  2. Step 2: Convert to fraction form
    1,911,103.68/2,867,081.76 = 581,511.36/x
  3. Step 3: Cross multiply
    1,911,103.68x = 2,867,081.76 × 581,511.36
  4. Step 4: Simplify right side
    1,911,103.68x = 1,667,240,613,488.79
  5. Step 5: Solve for x
    x = 1,667,240,613,488.79/1,911,103.68
  6. Step 6: Final answer
    x = 872,396.74

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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.