Home / 1,616,136.64-2,230,283.76-891,009.76

Finding the Fourth Proportional to 1,616,136.64, 2,230,283.76 and 891,009.76

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Solution

The fourth proportional to 1,616,136.64, 2,230,283.76 and 891,009.76 is: 1,229,601.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,136.64 : 2,230,283.76 = 891,009.76 : x
  2. Step 2: Convert to fraction form
    1,616,136.64/2,230,283.76 = 891,009.76/x
  3. Step 3: Cross multiply
    1,616,136.64x = 2,230,283.76 × 891,009.76
  4. Step 4: Simplify right side
    1,616,136.64x = 1,987,204,597,729.50
  5. Step 5: Solve for x
    x = 1,987,204,597,729.50/1,616,136.64
  6. Step 6: Final answer
    x = 1,229,601.85

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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.