Home / 2,236,503.70-3,086,410.41-1,217,907.70

Finding the Fourth Proportional to 2,236,503.70, 3,086,410.41 and 1,217,907.70

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Solution

The fourth proportional to 2,236,503.70, 3,086,410.41 and 1,217,907.70 is: 1,680,731.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236,503.70 : 3,086,410.41 = 1,217,907.70 : x
  2. Step 2: Convert to fraction form
    2,236,503.70/3,086,410.41 = 1,217,907.70/x
  3. Step 3: Cross multiply
    2,236,503.70x = 3,086,410.41 × 1,217,907.70
  4. Step 4: Simplify right side
    2,236,503.70x = 3,758,963,003,699.16
  5. Step 5: Solve for x
    x = 3,758,963,003,699.16/2,236,503.70
  6. Step 6: Final answer
    x = 1,680,731.85

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1.5x scale

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.