Home / 2,256,742.62-3,114,304.78-1,289,893.67

Finding the Fourth Proportional to 2,256,742.62, 3,114,304.78 and 1,289,893.67

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Solution

The fourth proportional to 2,256,742.62, 3,114,304.78 and 1,289,893.67 is: 1,780,053.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256,742.62 : 3,114,304.78 = 1,289,893.67 : x
  2. Step 2: Convert to fraction form
    2,256,742.62/3,114,304.78 = 1,289,893.67/x
  3. Step 3: Cross multiply
    2,256,742.62x = 3,114,304.78 × 1,289,893.67
  4. Step 4: Simplify right side
    2,256,742.62x = 4,017,122,029,860.49
  5. Step 5: Solve for x
    x = 4,017,122,029,860.49/2,256,742.62
  6. Step 6: Final answer
    x = 1,780,053.25

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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.