Home / 4,979,424.60-7,468,100.10-2,139,629.40

Finding the Fourth Proportional to 4,979,424.60, 7,468,100.10 and 2,139,629.40

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Solution

The fourth proportional to 4,979,424.60, 7,468,100.10 and 2,139,629.40 is: 3,208,998.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979,424.60 : 7,468,100.10 = 2,139,629.40 : x
  2. Step 2: Convert to fraction form
    4,979,424.60/7,468,100.10 = 2,139,629.40/x
  3. Step 3: Cross multiply
    4,979,424.60x = 7,468,100.10 × 2,139,629.40
  4. Step 4: Simplify right side
    4,979,424.60x = 15,978,966,536,102.94
  5. Step 5: Solve for x
    x = 15,978,966,536,102.94/4,979,424.60
  6. Step 6: Final answer
    x = 3,208,998.59

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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.