Home / 2,251,329.90-3,106,778.06-1,257,905.81

Finding the Fourth Proportional to 2,251,329.90, 3,106,778.06 and 1,257,905.81

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Solution

The fourth proportional to 2,251,329.90, 3,106,778.06 and 1,257,905.81 is: 1,735,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251,329.90 : 3,106,778.06 = 1,257,905.81 : x
  2. Step 2: Convert to fraction form
    2,251,329.90/3,106,778.06 = 1,257,905.81/x
  3. Step 3: Cross multiply
    2,251,329.90x = 3,106,778.06 × 1,257,905.81
  4. Step 4: Simplify right side
    2,251,329.90x = 3,908,034,150,231.11
  5. Step 5: Solve for x
    x = 3,908,034,150,231.11/2,251,329.90
  6. Step 6: Final answer
    x = 1,735,878.05

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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.