Home / 2,076,004.60-3,114,006.90-1,274,687.80

Finding the Fourth Proportional to 2,076,004.60, 3,114,006.90 and 1,274,687.80

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Solution

The fourth proportional to 2,076,004.60, 3,114,006.90 and 1,274,687.80 is: 1,912,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,004.60 : 3,114,006.90 = 1,274,687.80 : x
  2. Step 2: Convert to fraction form
    2,076,004.60/3,114,006.90 = 1,274,687.80/x
  3. Step 3: Cross multiply
    2,076,004.60x = 3,114,006.90 × 1,274,687.80
  4. Step 4: Simplify right side
    2,076,004.60x = 3,969,386,604,545.82
  5. Step 5: Solve for x
    x = 3,969,386,604,545.82/2,076,004.60
  6. Step 6: Final answer
    x = 1,912,031.70

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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.