Home / 3,042,939.24-4,199,307.78-1,666,261.02

Finding the Fourth Proportional to 3,042,939.24, 4,199,307.78 and 1,666,261.02

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Solution

The fourth proportional to 3,042,939.24, 4,199,307.78 and 1,666,261.02 is: 2,299,468.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042,939.24 : 4,199,307.78 = 1,666,261.02 : x
  2. Step 2: Convert to fraction form
    3,042,939.24/4,199,307.78 = 1,666,261.02/x
  3. Step 3: Cross multiply
    3,042,939.24x = 4,199,307.78 × 1,666,261.02
  4. Step 4: Simplify right side
    3,042,939.24x = 6,997,142,864,796.74
  5. Step 5: Solve for x
    x = 6,997,142,864,796.74/3,042,939.24
  6. Step 6: Final answer
    x = 2,299,468.48

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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.