Home / 5,173,218.02-7,139,042.86-2,999,021.54

Finding the Fourth Proportional to 5,173,218.02, 7,139,042.86 and 2,999,021.54

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Solution

The fourth proportional to 5,173,218.02, 7,139,042.86 and 2,999,021.54 is: 4,138,650.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,218.02 : 7,139,042.86 = 2,999,021.54 : x
  2. Step 2: Convert to fraction form
    5,173,218.02/7,139,042.86 = 2,999,021.54/x
  3. Step 3: Cross multiply
    5,173,218.02x = 7,139,042.86 × 2,999,021.54
  4. Step 4: Simplify right side
    5,173,218.02x = 21,410,143,312,123.21
  5. Step 5: Solve for x
    x = 21,410,143,312,123.21/5,173,218.02
  6. Step 6: Final answer
    x = 4,138,650.88

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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.