Home / 2,625,426.20-3,930,266.10-1,559,919.80

Finding the Fourth Proportional to 2,625,426.20, 3,930,266.10 and 1,559,919.80

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Solution

The fourth proportional to 2,625,426.20, 3,930,266.10 and 1,559,919.80 is: 2,335,201.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625,426.20 : 3,930,266.10 = 1,559,919.80 : x
  2. Step 2: Convert to fraction form
    2,625,426.20/3,930,266.10 = 1,559,919.80/x
  3. Step 3: Cross multiply
    2,625,426.20x = 3,930,266.10 × 1,559,919.80
  4. Step 4: Simplify right side
    2,625,426.20x = 6,130,899,908,658.78
  5. Step 5: Solve for x
    x = 6,130,899,908,658.78/2,625,426.20
  6. Step 6: Final answer
    x = 2,335,201.77

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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.