Home / 4,849,782.75-7,275,909.78-1,438,193.97

Finding the Fourth Proportional to 4,849,782.75, 7,275,909.78 and 1,438,193.97

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Solution

The fourth proportional to 4,849,782.75, 7,275,909.78 and 1,438,193.97 is: 2,157,657.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,849,782.75 : 7,275,909.78 = 1,438,193.97 : x
  2. Step 2: Convert to fraction form
    4,849,782.75/7,275,909.78 = 1,438,193.97/x
  3. Step 3: Cross multiply
    4,849,782.75x = 7,275,909.78 × 1,438,193.97
  4. Step 4: Simplify right side
    4,849,782.75x = 10,464,169,571,860.03
  5. Step 5: Solve for x
    x = 10,464,169,571,860.03/4,849,782.75
  6. Step 6: Final answer
    x = 2,157,657.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.