Home / 1,912,438.76-2,854,665.99-1,685,441.52

Finding the Fourth Proportional to 1,912,438.76, 2,854,665.99 and 1,685,441.52

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Solution

The fourth proportional to 1,912,438.76, 2,854,665.99 and 1,685,441.52 is: 2,515,830.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,438.76 : 2,854,665.99 = 1,685,441.52 : x
  2. Step 2: Convert to fraction form
    1,912,438.76/2,854,665.99 = 1,685,441.52/x
  3. Step 3: Cross multiply
    1,912,438.76x = 2,854,665.99 × 1,685,441.52
  4. Step 4: Simplify right side
    1,912,438.76x = 4,811,372,585,277.91
  5. Step 5: Solve for x
    x = 4,811,372,585,277.91/1,912,438.76
  6. Step 6: Final answer
    x = 2,515,830.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.