Home / 5,466,014.40-8,199,021.60-1,679,491.20

Finding the Fourth Proportional to 5,466,014.40, 8,199,021.60 and 1,679,491.20

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Solution

The fourth proportional to 5,466,014.40, 8,199,021.60 and 1,679,491.20 is: 2,519,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,466,014.40 : 8,199,021.60 = 1,679,491.20 : x
  2. Step 2: Convert to fraction form
    5,466,014.40/8,199,021.60 = 1,679,491.20/x
  3. Step 3: Cross multiply
    5,466,014.40x = 8,199,021.60 × 1,679,491.20
  4. Step 4: Simplify right side
    5,466,014.40x = 13,770,184,625,809.92
  5. Step 5: Solve for x
    x = 13,770,184,625,809.92/5,466,014.40
  6. Step 6: Final answer
    x = 2,519,236.80

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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.