Home / 3,384,368.55-5,076,008.10-987,651.45

Finding the Fourth Proportional to 3,384,368.55, 5,076,008.10 and 987,651.45

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Solution

The fourth proportional to 3,384,368.55, 5,076,008.10 and 987,651.45 is: 1,481,318.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384,368.55 : 5,076,008.10 = 987,651.45 : x
  2. Step 2: Convert to fraction form
    3,384,368.55/5,076,008.10 = 987,651.45/x
  3. Step 3: Cross multiply
    3,384,368.55x = 5,076,008.10 × 987,651.45
  4. Step 4: Simplify right side
    3,384,368.55x = 5,013,326,760,176.74
  5. Step 5: Solve for x
    x = 5,013,326,760,176.74/3,384,368.55
  6. Step 6: Final answer
    x = 1,481,318.21

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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.