Home / 6,447,845.36-9,671,418.24-1,959,771.44

Finding the Fourth Proportional to 6,447,845.36, 9,671,418.24 and 1,959,771.44

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Solution

The fourth proportional to 6,447,845.36, 9,671,418.24 and 1,959,771.44 is: 2,939,550.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447,845.36 : 9,671,418.24 = 1,959,771.44 : x
  2. Step 2: Convert to fraction form
    6,447,845.36/9,671,418.24 = 1,959,771.44/x
  3. Step 3: Cross multiply
    6,447,845.36x = 9,671,418.24 × 1,959,771.44
  4. Step 4: Simplify right side
    6,447,845.36x = 18,953,769,251,047.07
  5. Step 5: Solve for x
    x = 18,953,769,251,047.07/6,447,845.36
  6. Step 6: Final answer
    x = 2,939,550.84

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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.