Home / 3,667,672.80-5,501,509.20-971,992.80

Finding the Fourth Proportional to 3,667,672.80, 5,501,509.20 and 971,992.80

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Solution

The fourth proportional to 3,667,672.80, 5,501,509.20 and 971,992.80 is: 1,457,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,667,672.80 : 5,501,509.20 = 971,992.80 : x
  2. Step 2: Convert to fraction form
    3,667,672.80/5,501,509.20 = 971,992.80/x
  3. Step 3: Cross multiply
    3,667,672.80x = 5,501,509.20 × 971,992.80
  4. Step 4: Simplify right side
    3,667,672.80x = 5,347,427,331,533.76
  5. Step 5: Solve for x
    x = 5,347,427,331,533.76/3,667,672.80
  6. Step 6: Final answer
    x = 1,457,989.20

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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.