Home / 1,980,476.34-2,970,236.61-914,493.66

Finding the Fourth Proportional to 1,980,476.34, 2,970,236.61 and 914,493.66

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Solution

The fourth proportional to 1,980,476.34, 2,970,236.61 and 914,493.66 is: 1,371,519.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,476.34 : 2,970,236.61 = 914,493.66 : x
  2. Step 2: Convert to fraction form
    1,980,476.34/2,970,236.61 = 914,493.66/x
  3. Step 3: Cross multiply
    1,980,476.34x = 2,970,236.61 × 914,493.66
  4. Step 4: Simplify right side
    1,980,476.34x = 2,716,262,548,544.89
  5. Step 5: Solve for x
    x = 2,716,262,548,544.89/1,980,476.34
  6. Step 6: Final answer
    x = 1,371,519.82

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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.