Home / 2,279,690.21-3,144,601.89-1,505,328.18

Finding the Fourth Proportional to 2,279,690.21, 3,144,601.89 and 1,505,328.18

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Solution

The fourth proportional to 2,279,690.21, 3,144,601.89 and 1,505,328.18 is: 2,076,447.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,690.21 : 3,144,601.89 = 1,505,328.18 : x
  2. Step 2: Convert to fraction form
    2,279,690.21/3,144,601.89 = 1,505,328.18/x
  3. Step 3: Cross multiply
    2,279,690.21x = 3,144,601.89 × 1,505,328.18
  4. Step 4: Simplify right side
    2,279,690.21x = 4,733,657,839,898.26
  5. Step 5: Solve for x
    x = 4,733,657,839,898.26/2,279,690.21
  6. Step 6: Final answer
    x = 2,076,447.86

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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.