Home / 2,076,278.70-3,114,855.45-656,478.30

Finding the Fourth Proportional to 2,076,278.70, 3,114,855.45 and 656,478.30

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Solution

The fourth proportional to 2,076,278.70, 3,114,855.45 and 656,478.30 is: 984,855.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,278.70 : 3,114,855.45 = 656,478.30 : x
  2. Step 2: Convert to fraction form
    2,076,278.70/3,114,855.45 = 656,478.30/x
  3. Step 3: Cross multiply
    2,076,278.70x = 3,114,855.45 × 656,478.30
  4. Step 4: Simplify right side
    2,076,278.70x = 2,044,835,010,561.74
  5. Step 5: Solve for x
    x = 2,044,835,010,561.74/2,076,278.70
  6. Step 6: Final answer
    x = 984,855.75

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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.