Home / 1,625,391.69-2,244,548.29-1,216,784.15

Finding the Fourth Proportional to 1,625,391.69, 2,244,548.29 and 1,216,784.15

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Solution

The fourth proportional to 1,625,391.69, 2,244,548.29 and 1,216,784.15 is: 1,680,290.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,391.69 : 2,244,548.29 = 1,216,784.15 : x
  2. Step 2: Convert to fraction form
    1,625,391.69/2,244,548.29 = 1,216,784.15/x
  3. Step 3: Cross multiply
    1,625,391.69x = 2,244,548.29 × 1,216,784.15
  4. Step 4: Simplify right side
    1,625,391.69x = 2,731,130,780,794.85
  5. Step 5: Solve for x
    x = 2,731,130,780,794.85/1,625,391.69
  6. Step 6: Final answer
    x = 1,680,290.85

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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.