Home / 3,140,645.40-4,707,618.48-1,789,899.53

Finding the Fourth Proportional to 3,140,645.40, 4,707,618.48 and 1,789,899.53

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Solution

The fourth proportional to 3,140,645.40, 4,707,618.48 and 1,789,899.53 is: 2,682,940.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,645.40 : 4,707,618.48 = 1,789,899.53 : x
  2. Step 2: Convert to fraction form
    3,140,645.40/4,707,618.48 = 1,789,899.53/x
  3. Step 3: Cross multiply
    3,140,645.40x = 4,707,618.48 × 1,789,899.53
  4. Step 4: Simplify right side
    3,140,645.40x = 8,426,164,081,233.22
  5. Step 5: Solve for x
    x = 8,426,164,081,233.22/3,140,645.40
  6. Step 6: Final answer
    x = 2,682,940.29

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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.