Home / 3,117,942.31-4,677,307.14-987,264.85

Finding the Fourth Proportional to 3,117,942.31, 4,677,307.14 and 987,264.85

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Solution

The fourth proportional to 3,117,942.31, 4,677,307.14 and 987,264.85 is: 1,481,021.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,942.31 : 4,677,307.14 = 987,264.85 : x
  2. Step 2: Convert to fraction form
    3,117,942.31/4,677,307.14 = 987,264.85/x
  3. Step 3: Cross multiply
    3,117,942.31x = 4,677,307.14 × 987,264.85
  4. Step 4: Simplify right side
    3,117,942.31x = 4,617,740,931,976.03
  5. Step 5: Solve for x
    x = 4,617,740,931,976.03/3,117,942.31
  6. Step 6: Final answer
    x = 1,481,021.93

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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.