Home / 1,500,166.20-2,070,211.83-811,822.11

Finding the Fourth Proportional to 1,500,166.20, 2,070,211.83 and 811,822.11

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Solution

The fourth proportional to 1,500,166.20, 2,070,211.83 and 811,822.11 is: 1,120,305.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,166.20 : 2,070,211.83 = 811,822.11 : x
  2. Step 2: Convert to fraction form
    1,500,166.20/2,070,211.83 = 811,822.11/x
  3. Step 3: Cross multiply
    1,500,166.20x = 2,070,211.83 × 811,822.11
  4. Step 4: Simplify right side
    1,500,166.20x = 1,680,643,735,977.56
  5. Step 5: Solve for x
    x = 1,680,643,735,977.56/1,500,166.20
  6. Step 6: Final answer
    x = 1,120,305.03

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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.