Home / 3,500,515.20-5,251,937.60-1,256,828.80

Finding the Fourth Proportional to 3,500,515.20, 5,251,937.60 and 1,256,828.80

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Solution

The fourth proportional to 3,500,515.20, 5,251,937.60 and 1,256,828.80 is: 1,885,661.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500,515.20 : 5,251,937.60 = 1,256,828.80 : x
  2. Step 2: Convert to fraction form
    3,500,515.20/5,251,937.60 = 1,256,828.80/x
  3. Step 3: Cross multiply
    3,500,515.20x = 5,251,937.60 × 1,256,828.80
  4. Step 4: Simplify right side
    3,500,515.20x = 6,600,786,431,482.88
  5. Step 5: Solve for x
    x = 6,600,786,431,482.88/3,500,515.20
  6. Step 6: Final answer
    x = 1,885,661.41

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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.