Home / 2,768,085.45-4,152,128.18-2,320,187.85

Finding the Fourth Proportional to 2,768,085.45, 4,152,128.18 and 2,320,187.85

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Solution

The fourth proportional to 2,768,085.45, 4,152,128.18 and 2,320,187.85 is: 3,480,281.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,085.45 : 4,152,128.18 = 2,320,187.85 : x
  2. Step 2: Convert to fraction form
    2,768,085.45/4,152,128.18 = 2,320,187.85/x
  3. Step 3: Cross multiply
    2,768,085.45x = 4,152,128.18 × 2,320,187.85
  4. Step 4: Simplify right side
    2,768,085.45x = 9,633,717,343,277.67
  5. Step 5: Solve for x
    x = 9,633,717,343,277.67/2,768,085.45
  6. Step 6: Final answer
    x = 3,480,281.78

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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.