Home / 3,428,951.47-5,142,772.01-1,722,621.04

Finding the Fourth Proportional to 3,428,951.47, 5,142,772.01 and 1,722,621.04

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Solution

The fourth proportional to 3,428,951.47, 5,142,772.01 and 1,722,621.04 is: 2,583,602.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,951.47 : 5,142,772.01 = 1,722,621.04 : x
  2. Step 2: Convert to fraction form
    3,428,951.47/5,142,772.01 = 1,722,621.04/x
  3. Step 3: Cross multiply
    3,428,951.47x = 5,142,772.01 × 1,722,621.04
  4. Step 4: Simplify right side
    3,428,951.47x = 8,859,047,263,028.63
  5. Step 5: Solve for x
    x = 8,859,047,263,028.63/3,428,951.47
  6. Step 6: Final answer
    x = 2,583,602.41

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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.