Home / 2,076,275.40-3,115,190.70-815,008.20

Finding the Fourth Proportional to 2,076,275.40, 3,115,190.70 and 815,008.20

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Solution

The fourth proportional to 2,076,275.40, 3,115,190.70 and 815,008.20 is: 1,222,817.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,275.40 : 3,115,190.70 = 815,008.20 : x
  2. Step 2: Convert to fraction form
    2,076,275.40/3,115,190.70 = 815,008.20/x
  3. Step 3: Cross multiply
    2,076,275.40x = 3,115,190.70 × 815,008.20
  4. Step 4: Simplify right side
    2,076,275.40x = 2,538,905,965,063.74
  5. Step 5: Solve for x
    x = 2,538,905,965,063.74/2,076,275.40
  6. Step 6: Final answer
    x = 1,222,817.53

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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.