Home / 1,611,205.86-2,223,521.15-886,109.70

Finding the Fourth Proportional to 1,611,205.86, 2,223,521.15 and 886,109.70

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Solution

The fourth proportional to 1,611,205.86, 2,223,521.15 and 886,109.70 is: 1,222,862.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,205.86 : 2,223,521.15 = 886,109.70 : x
  2. Step 2: Convert to fraction form
    1,611,205.86/2,223,521.15 = 886,109.70/x
  3. Step 3: Cross multiply
    1,611,205.86x = 2,223,521.15 × 886,109.70
  4. Step 4: Simplify right side
    1,611,205.86x = 1,970,283,654,739.61
  5. Step 5: Solve for x
    x = 1,970,283,654,739.61/1,611,205.86
  6. Step 6: Final answer
    x = 1,222,862.77

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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.