Home / 2,140,117.72-3,210,289.44-542,694.61

Finding the Fourth Proportional to 2,140,117.72, 3,210,289.44 and 542,694.61

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Solution

The fourth proportional to 2,140,117.72, 3,210,289.44 and 542,694.61 is: 814,070.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,117.72 : 3,210,289.44 = 542,694.61 : x
  2. Step 2: Convert to fraction form
    2,140,117.72/3,210,289.44 = 542,694.61/x
  3. Step 3: Cross multiply
    2,140,117.72x = 3,210,289.44 × 542,694.61
  4. Step 4: Simplify right side
    2,140,117.72x = 1,742,206,775,627.92
  5. Step 5: Solve for x
    x = 1,742,206,775,627.92/2,140,117.72
  6. Step 6: Final answer
    x = 814,070.53

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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.