Home / 1,611,290.30-2,223,536.28-886,138.06

Finding the Fourth Proportional to 1,611,290.30, 2,223,536.28 and 886,138.06

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Solution

The fourth proportional to 1,611,290.30, 2,223,536.28 and 886,138.06 is: 1,222,846.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,290.30 : 2,223,536.28 = 886,138.06 : x
  2. Step 2: Convert to fraction form
    1,611,290.30/2,223,536.28 = 886,138.06/x
  3. Step 3: Cross multiply
    1,611,290.30x = 2,223,536.28 × 886,138.06
  4. Step 4: Simplify right side
    1,611,290.30x = 1,970,360,125,498.82
  5. Step 5: Solve for x
    x = 1,970,360,125,498.82/1,611,290.30
  6. Step 6: Final answer
    x = 1,222,846.14

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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.