Home / 1,948,175.66-2,922,555.10-685,780.94

Finding the Fourth Proportional to 1,948,175.66, 2,922,555.10 and 685,780.94

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Solution

The fourth proportional to 1,948,175.66, 2,922,555.10 and 685,780.94 is: 1,028,774.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,175.66 : 2,922,555.10 = 685,780.94 : x
  2. Step 2: Convert to fraction form
    1,948,175.66/2,922,555.10 = 685,780.94/x
  3. Step 3: Cross multiply
    1,948,175.66x = 2,922,555.10 × 685,780.94
  4. Step 4: Simplify right side
    1,948,175.66x = 2,004,232,583,679.79
  5. Step 5: Solve for x
    x = 2,004,232,583,679.79/1,948,175.66
  6. Step 6: Final answer
    x = 1,028,774.06

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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.