Home / 1,755,065.20-2,628,661.20-1,440,137.20

Finding the Fourth Proportional to 1,755,065.20, 2,628,661.20 and 1,440,137.20

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Solution

The fourth proportional to 1,755,065.20, 2,628,661.20 and 1,440,137.20 is: 2,156,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,065.20 : 2,628,661.20 = 1,440,137.20 : x
  2. Step 2: Convert to fraction form
    1,755,065.20/2,628,661.20 = 1,440,137.20/x
  3. Step 3: Cross multiply
    1,755,065.20x = 2,628,661.20 × 1,440,137.20
  4. Step 4: Simplify right side
    1,755,065.20x = 3,785,632,780,316.64
  5. Step 5: Solve for x
    x = 3,785,632,780,316.64/1,755,065.20
  6. Step 6: Final answer
    x = 2,156,975.58

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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.