Home / 3,402,129.80-5,091,384.90-3,118,694.60

Finding the Fourth Proportional to 3,402,129.80, 5,091,384.90 and 3,118,694.60

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Solution

The fourth proportional to 3,402,129.80, 5,091,384.90 and 3,118,694.60 is: 4,667,215.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402,129.80 : 5,091,384.90 = 3,118,694.60 : x
  2. Step 2: Convert to fraction form
    3,402,129.80/5,091,384.90 = 3,118,694.60/x
  3. Step 3: Cross multiply
    3,402,129.80x = 5,091,384.90 × 3,118,694.60
  4. Step 4: Simplify right side
    3,402,129.80x = 15,878,474,594,151.54
  5. Step 5: Solve for x
    x = 15,878,474,594,151.54/3,402,129.80
  6. Step 6: Final answer
    x = 4,667,215.99

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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.