Home / 2,128,222.60-3,193,500.30-866,955.40

Finding the Fourth Proportional to 2,128,222.60, 3,193,500.30 and 866,955.40

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Solution

The fourth proportional to 2,128,222.60, 3,193,500.30 and 866,955.40 is: 1,300,908.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,222.60 : 3,193,500.30 = 866,955.40 : x
  2. Step 2: Convert to fraction form
    2,128,222.60/3,193,500.30 = 866,955.40/x
  3. Step 3: Cross multiply
    2,128,222.60x = 3,193,500.30 × 866,955.40
  4. Step 4: Simplify right side
    2,128,222.60x = 2,768,622,329,986.62
  5. Step 5: Solve for x
    x = 2,768,622,329,986.62/2,128,222.60
  6. Step 6: Final answer
    x = 1,300,908.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.