Home / 6,431,418.56-8,875,461.60-3,531,076.80

Finding the Fourth Proportional to 6,431,418.56, 8,875,461.60 and 3,531,076.80

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Solution

The fourth proportional to 6,431,418.56, 8,875,461.60 and 3,531,076.80 is: 4,872,943.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431,418.56 : 8,875,461.60 = 3,531,076.80 : x
  2. Step 2: Convert to fraction form
    6,431,418.56/8,875,461.60 = 3,531,076.80/x
  3. Step 3: Cross multiply
    6,431,418.56x = 8,875,461.60 × 3,531,076.80
  4. Step 4: Simplify right side
    6,431,418.56x = 31,339,936,545,050.88
  5. Step 5: Solve for x
    x = 31,339,936,545,050.88/6,431,418.56
  6. Step 6: Final answer
    x = 4,872,943.08

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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.