Home / 3,139,020.25-4,707,334.81-1,859,988.54

Finding the Fourth Proportional to 3,139,020.25, 4,707,334.81 and 1,859,988.54

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Solution

The fourth proportional to 3,139,020.25, 4,707,334.81 and 1,859,988.54 is: 2,789,274.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,020.25 : 4,707,334.81 = 1,859,988.54 : x
  2. Step 2: Convert to fraction form
    3,139,020.25/4,707,334.81 = 1,859,988.54/x
  3. Step 3: Cross multiply
    3,139,020.25x = 4,707,334.81 × 1,859,988.54
  4. Step 4: Simplify right side
    3,139,020.25x = 8,755,588,800,543.08
  5. Step 5: Solve for x
    x = 8,755,588,800,543.08/3,139,020.25
  6. Step 6: Final answer
    x = 2,789,274.39

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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.