Home / 3,985,666.50-5,500,190.52-2,266,784.94

Finding the Fourth Proportional to 3,985,666.50, 5,500,190.52 and 2,266,784.94

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Solution

The fourth proportional to 3,985,666.50, 5,500,190.52 and 2,266,784.94 is: 3,128,146.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,666.50 : 5,500,190.52 = 2,266,784.94 : x
  2. Step 2: Convert to fraction form
    3,985,666.50/5,500,190.52 = 2,266,784.94/x
  3. Step 3: Cross multiply
    3,985,666.50x = 5,500,190.52 × 2,266,784.94
  4. Step 4: Simplify right side
    3,985,666.50x = 12,467,749,037,866.77
  5. Step 5: Solve for x
    x = 12,467,749,037,866.77/3,985,666.50
  6. Step 6: Final answer
    x = 3,128,146.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.