Home / 2,073,279.80-2,860,147.98-1,213,307.96

Finding the Fourth Proportional to 2,073,279.80, 2,860,147.98 and 1,213,307.96

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Solution

The fourth proportional to 2,073,279.80, 2,860,147.98 and 1,213,307.96 is: 1,673,792.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,073,279.80 : 2,860,147.98 = 1,213,307.96 : x
  2. Step 2: Convert to fraction form
    2,073,279.80/2,860,147.98 = 1,213,307.96/x
  3. Step 3: Cross multiply
    2,073,279.80x = 2,860,147.98 × 1,213,307.96
  4. Step 4: Simplify right side
    2,073,279.80x = 3,470,240,310,911.92
  5. Step 5: Solve for x
    x = 3,470,240,310,911.92/2,073,279.80
  6. Step 6: Final answer
    x = 1,673,792.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.