Home / 3,315,946.95-4,973,919.89-919,791.59

Finding the Fourth Proportional to 3,315,946.95, 4,973,919.89 and 919,791.59

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Solution

The fourth proportional to 3,315,946.95, 4,973,919.89 and 919,791.59 is: 1,379,687.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,946.95 : 4,973,919.89 = 919,791.59 : x
  2. Step 2: Convert to fraction form
    3,315,946.95/4,973,919.89 = 919,791.59/x
  3. Step 3: Cross multiply
    3,315,946.95x = 4,973,919.89 × 919,791.59
  4. Step 4: Simplify right side
    3,315,946.95x = 4,574,969,654,687.17
  5. Step 5: Solve for x
    x = 4,574,969,654,687.17/3,315,946.95
  6. Step 6: Final answer
    x = 1,379,687.23

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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.