Home / 2,117,380.84-3,174,285.77-918,400.46

Finding the Fourth Proportional to 2,117,380.84, 3,174,285.77 and 918,400.46

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Solution

The fourth proportional to 2,117,380.84, 3,174,285.77 and 918,400.46 is: 1,376,826.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,380.84 : 3,174,285.77 = 918,400.46 : x
  2. Step 2: Convert to fraction form
    2,117,380.84/3,174,285.77 = 918,400.46/x
  3. Step 3: Cross multiply
    2,117,380.84x = 3,174,285.77 × 918,400.46
  4. Step 4: Simplify right side
    2,117,380.84x = 2,915,265,512,175.38
  5. Step 5: Solve for x
    x = 2,915,265,512,175.38/2,117,380.84
  6. Step 6: Final answer
    x = 1,376,826.25

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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.