Home / 5,078,505.47-7,619,895.05-3,161,020.41

Finding the Fourth Proportional to 5,078,505.47, 7,619,895.05 and 3,161,020.41

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Solution

The fourth proportional to 5,078,505.47, 7,619,895.05 and 3,161,020.41 is: 4,742,860.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,505.47 : 7,619,895.05 = 3,161,020.41 : x
  2. Step 2: Convert to fraction form
    5,078,505.47/7,619,895.05 = 3,161,020.41/x
  3. Step 3: Cross multiply
    5,078,505.47x = 7,619,895.05 × 3,161,020.41
  4. Step 4: Simplify right side
    5,078,505.47x = 24,086,643,759,302.87
  5. Step 5: Solve for x
    x = 24,086,643,759,302.87/5,078,505.47
  6. Step 6: Final answer
    x = 4,742,860.66

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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.