Home / 2,055,172.40-3,076,853.70-1,258,010.90

Finding the Fourth Proportional to 2,055,172.40, 3,076,853.70 and 1,258,010.90

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Solution

The fourth proportional to 2,055,172.40, 3,076,853.70 and 1,258,010.90 is: 1,883,401.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055,172.40 : 3,076,853.70 = 1,258,010.90 : x
  2. Step 2: Convert to fraction form
    2,055,172.40/3,076,853.70 = 1,258,010.90/x
  3. Step 3: Cross multiply
    2,055,172.40x = 3,076,853.70 × 1,258,010.90
  4. Step 4: Simplify right side
    2,055,172.40x = 3,870,715,492,305.33
  5. Step 5: Solve for x
    x = 3,870,715,492,305.33/2,055,172.40
  6. Step 6: Final answer
    x = 1,883,401.85

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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.