Home / 2,057,320.20-2,839,438.26-1,230,339.72

Finding the Fourth Proportional to 2,057,320.20, 2,839,438.26 and 1,230,339.72

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Solution

The fourth proportional to 2,057,320.20, 2,839,438.26 and 1,230,339.72 is: 1,698,069.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057,320.20 : 2,839,438.26 = 1,230,339.72 : x
  2. Step 2: Convert to fraction form
    2,057,320.20/2,839,438.26 = 1,230,339.72/x
  3. Step 3: Cross multiply
    2,057,320.20x = 2,839,438.26 × 1,230,339.72
  4. Step 4: Simplify right side
    2,057,320.20x = 3,493,473,673,765.69
  5. Step 5: Solve for x
    x = 3,493,473,673,765.69/2,057,320.20
  6. Step 6: Final answer
    x = 1,698,069.98

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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.