Home / 4,979,409.60-7,468,077.60-2,139,614.40

Finding the Fourth Proportional to 4,979,409.60, 7,468,077.60 and 2,139,614.40

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Solution

The fourth proportional to 4,979,409.60, 7,468,077.60 and 2,139,614.40 is: 3,208,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979,409.60 : 7,468,077.60 = 2,139,614.40 : x
  2. Step 2: Convert to fraction form
    4,979,409.60/7,468,077.60 = 2,139,614.40/x
  3. Step 3: Cross multiply
    4,979,409.60x = 7,468,077.60 × 2,139,614.40
  4. Step 4: Simplify right side
    4,979,409.60x = 15,978,806,373,277.44
  5. Step 5: Solve for x
    x = 15,978,806,373,277.44/4,979,409.60
  6. Step 6: Final answer
    x = 3,208,976.09

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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.