Home / 3,775,758.40-5,664,457.73-1,379,599.21

Finding the Fourth Proportional to 3,775,758.40, 5,664,457.73 and 1,379,599.21

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Solution

The fourth proportional to 3,775,758.40, 5,664,457.73 and 1,379,599.21 is: 2,069,698.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775,758.40 : 5,664,457.73 = 1,379,599.21 : x
  2. Step 2: Convert to fraction form
    3,775,758.40/5,664,457.73 = 1,379,599.21/x
  3. Step 3: Cross multiply
    3,775,758.40x = 5,664,457.73 × 1,379,599.21
  4. Step 4: Simplify right side
    3,775,758.40x = 7,814,681,409,386.39
  5. Step 5: Solve for x
    x = 7,814,681,409,386.39/3,775,758.40
  6. Step 6: Final answer
    x = 2,069,698.48

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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.