Home / 2,140,117.22-3,210,288.70-542,694.12

Finding the Fourth Proportional to 2,140,117.22, 3,210,288.70 and 542,694.12

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Solution

The fourth proportional to 2,140,117.22, 3,210,288.70 and 542,694.12 is: 814,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,117.22 : 3,210,288.70 = 542,694.12 : x
  2. Step 2: Convert to fraction form
    2,140,117.22/3,210,288.70 = 542,694.12/x
  3. Step 3: Cross multiply
    2,140,117.22x = 3,210,288.70 × 542,694.12
  4. Step 4: Simplify right side
    2,140,117.22x = 1,742,204,800,992.44
  5. Step 5: Solve for x
    x = 1,742,204,800,992.44/2,140,117.22
  6. Step 6: Final answer
    x = 814,069.80

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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.