Home / 6,439,186.12-8,885,897.76-3,538,576.12

Finding the Fourth Proportional to 6,439,186.12, 8,885,897.76 and 3,538,576.12

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Solution

The fourth proportional to 6,439,186.12, 8,885,897.76 and 3,538,576.12 is: 4,883,136.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,186.12 : 8,885,897.76 = 3,538,576.12 : x
  2. Step 2: Convert to fraction form
    6,439,186.12/8,885,897.76 = 3,538,576.12/x
  3. Step 3: Cross multiply
    6,439,186.12x = 8,885,897.76 × 3,538,576.12
  4. Step 4: Simplify right side
    6,439,186.12x = 31,443,425,618,297.49
  5. Step 5: Solve for x
    x = 31,443,425,618,297.49/6,439,186.12
  6. Step 6: Final answer
    x = 4,883,136.63

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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.