Home / 2,666,215.64-3,999,923.72-844,690.42

Finding the Fourth Proportional to 2,666,215.64, 3,999,923.72 and 844,690.42

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Solution

The fourth proportional to 2,666,215.64, 3,999,923.72 and 844,690.42 is: 1,267,225.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,215.64 : 3,999,923.72 = 844,690.42 : x
  2. Step 2: Convert to fraction form
    2,666,215.64/3,999,923.72 = 844,690.42/x
  3. Step 3: Cross multiply
    2,666,215.64x = 3,999,923.72 × 844,690.42
  4. Step 4: Simplify right side
    2,666,215.64x = 3,378,697,247,014.76
  5. Step 5: Solve for x
    x = 3,378,697,247,014.76/2,666,215.64
  6. Step 6: Final answer
    x = 1,267,225.80

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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.