Finding the Fourth Proportional to 3,867,201.80, 5,800,802.70 and 2,187,585.80
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Solution
The fourth proportional to 3,867,201.80, 5,800,802.70 and 2,187,585.80 is: 3,281,378.70
Step by Step Solution
- Step 1: Write the proportion equation
3,867,201.80 : 5,800,802.70 = 2,187,585.80 : x - Step 2: Convert to fraction form
3,867,201.80/5,800,802.70 = 2,187,585.80/x - Step 3: Cross multiply
3,867,201.80x = 5,800,802.70 × 2,187,585.80 - Step 4: Simplify right side
3,867,201.80x = 12,689,753,615,121.66 - Step 5: Solve for x
x = 12,689,753,615,121.66/3,867,201.80 - Step 6: Final answer
x = 3,281,378.70
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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.