Home / 2,166,997.52-2,990,954.16-1,441,875.68

Finding the Fourth Proportional to 2,166,997.52, 2,990,954.16 and 1,441,875.68

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Solution

The fourth proportional to 2,166,997.52, 2,990,954.16 and 1,441,875.68 is: 1,990,119.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,997.52 : 2,990,954.16 = 1,441,875.68 : x
  2. Step 2: Convert to fraction form
    2,166,997.52/2,990,954.16 = 1,441,875.68/x
  3. Step 3: Cross multiply
    2,166,997.52x = 2,990,954.16 × 1,441,875.68
  4. Step 4: Simplify right side
    2,166,997.52x = 4,312,584,063,298.83
  5. Step 5: Solve for x
    x = 4,312,584,063,298.83/2,166,997.52
  6. Step 6: Final answer
    x = 1,990,119.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.