Home / 1,977,079.36-2,962,234.08-1,079,151.52

Finding the Fourth Proportional to 1,977,079.36, 2,962,234.08 and 1,079,151.52

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Solution

The fourth proportional to 1,977,079.36, 2,962,234.08 and 1,079,151.52 is: 1,616,879.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,079.36 : 2,962,234.08 = 1,079,151.52 : x
  2. Step 2: Convert to fraction form
    1,977,079.36/2,962,234.08 = 1,079,151.52/x
  3. Step 3: Cross multiply
    1,977,079.36x = 2,962,234.08 × 1,079,151.52
  4. Step 4: Simplify right side
    1,977,079.36x = 3,196,699,410,027.80
  5. Step 5: Solve for x
    x = 3,196,699,410,027.80/1,977,079.36
  6. Step 6: Final answer
    x = 1,616,879.66

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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.