Home / 1,611,222.80-2,223,443.11-886,070.51

Finding the Fourth Proportional to 1,611,222.80, 2,223,443.11 and 886,070.51

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Solution

The fourth proportional to 1,611,222.80, 2,223,443.11 and 886,070.51 is: 1,222,752.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,222.80 : 2,223,443.11 = 886,070.51 : x
  2. Step 2: Convert to fraction form
    1,611,222.80/2,223,443.11 = 886,070.51/x
  3. Step 3: Cross multiply
    1,611,222.80x = 2,223,443.11 × 886,070.51
  4. Step 4: Simplify right side
    1,611,222.80x = 1,970,127,370,433.69
  5. Step 5: Solve for x
    x = 1,970,127,370,433.69/1,611,222.80
  6. Step 6: Final answer
    x = 1,222,752.91

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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.