Home / 1,821,134.34-2,515,195.80-1,418,084.82

Finding the Fourth Proportional to 1,821,134.34, 2,515,195.80 and 1,418,084.82

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Solution

The fourth proportional to 1,821,134.34, 2,515,195.80 and 1,418,084.82 is: 1,958,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,134.34 : 2,515,195.80 = 1,418,084.82 : x
  2. Step 2: Convert to fraction form
    1,821,134.34/2,515,195.80 = 1,418,084.82/x
  3. Step 3: Cross multiply
    1,821,134.34x = 2,515,195.80 × 1,418,084.82
  4. Step 4: Simplify right side
    1,821,134.34x = 3,566,760,983,307.76
  5. Step 5: Solve for x
    x = 3,566,760,983,307.76/1,821,134.34
  6. Step 6: Final answer
    x = 1,958,538.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.