Home / 2,021,451.32-2,788,596.05-1,205,079.73

Finding the Fourth Proportional to 2,021,451.32, 2,788,596.05 and 1,205,079.73

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Solution

The fourth proportional to 2,021,451.32, 2,788,596.05 and 1,205,079.73 is: 1,662,409.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,451.32 : 2,788,596.05 = 1,205,079.73 : x
  2. Step 2: Convert to fraction form
    2,021,451.32/2,788,596.05 = 1,205,079.73/x
  3. Step 3: Cross multiply
    2,021,451.32x = 2,788,596.05 × 1,205,079.73
  4. Step 4: Simplify right side
    2,021,451.32x = 3,360,480,562,016.18
  5. Step 5: Solve for x
    x = 3,360,480,562,016.18/2,021,451.32
  6. Step 6: Final answer
    x = 1,662,409.84

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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.