Home / 2,076,390.20-3,115,460.10-1,130,439.80

Finding the Fourth Proportional to 2,076,390.20, 3,115,460.10 and 1,130,439.80

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Solution

The fourth proportional to 2,076,390.20, 3,115,460.10 and 1,130,439.80 is: 1,696,135.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,390.20 : 3,115,460.10 = 1,130,439.80 : x
  2. Step 2: Convert to fraction form
    2,076,390.20/3,115,460.10 = 1,130,439.80/x
  3. Step 3: Cross multiply
    2,076,390.20x = 3,115,460.10 × 1,130,439.80
  4. Step 4: Simplify right side
    2,076,390.20x = 3,521,840,092,351.98
  5. Step 5: Solve for x
    x = 3,521,840,092,351.98/2,076,390.20
  6. Step 6: Final answer
    x = 1,696,135.96

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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.