Home / 3,210,678.30-4,815,280.47-1,914,197.52

Finding the Fourth Proportional to 3,210,678.30, 4,815,280.47 and 1,914,197.52

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Solution

The fourth proportional to 3,210,678.30, 4,815,280.47 and 1,914,197.52 is: 2,870,856.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,678.30 : 4,815,280.47 = 1,914,197.52 : x
  2. Step 2: Convert to fraction form
    3,210,678.30/4,815,280.47 = 1,914,197.52/x
  3. Step 3: Cross multiply
    3,210,678.30x = 4,815,280.47 × 1,914,197.52
  4. Step 4: Simplify right side
    3,210,678.30x = 9,217,397,933,778.43
  5. Step 5: Solve for x
    x = 9,217,397,933,778.43/3,210,678.30
  6. Step 6: Final answer
    x = 2,870,856.89

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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.