Home / 2,107,076.10-2,907,778.53-1,235,733.18

Finding the Fourth Proportional to 2,107,076.10, 2,907,778.53 and 1,235,733.18

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Solution

The fourth proportional to 2,107,076.10, 2,907,778.53 and 1,235,733.18 is: 1,705,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,076.10 : 2,907,778.53 = 1,235,733.18 : x
  2. Step 2: Convert to fraction form
    2,107,076.10/2,907,778.53 = 1,235,733.18/x
  3. Step 3: Cross multiply
    2,107,076.10x = 2,907,778.53 × 1,235,733.18
  4. Step 4: Simplify right side
    2,107,076.10x = 3,593,238,409,612.63
  5. Step 5: Solve for x
    x = 3,593,238,409,612.63/2,107,076.10
  6. Step 6: Final answer
    x = 1,705,319.71

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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.