Home / 3,117,666.75-4,676,444.73-987,695.51

Finding the Fourth Proportional to 3,117,666.75, 4,676,444.73 and 987,695.51

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Solution

The fourth proportional to 3,117,666.75, 4,676,444.73 and 987,695.51 is: 1,481,525.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,666.75 : 4,676,444.73 = 987,695.51 : x
  2. Step 2: Convert to fraction form
    3,117,666.75/4,676,444.73 = 987,695.51/x
  3. Step 3: Cross multiply
    3,117,666.75x = 4,676,444.73 × 987,695.51
  4. Step 4: Simplify right side
    3,117,666.75x = 4,618,903,439,201.94
  5. Step 5: Solve for x
    x = 4,618,903,439,201.94/3,117,666.75
  6. Step 6: Final answer
    x = 1,481,525.71

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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.