Finding the Fourth Proportional to 2,121,035.23, 3,181,552.85 and 1,746,270.91
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Solution
The fourth proportional to 2,121,035.23, 3,181,552.85 and 1,746,270.91 is: 2,619,406.37
Step by Step Solution
- Step 1: Write the proportion equation
2,121,035.23 : 3,181,552.85 = 1,746,270.91 : x - Step 2: Convert to fraction form
2,121,035.23/3,181,552.85 = 1,746,270.91/x - Step 3: Cross multiply
2,121,035.23x = 3,181,552.85 × 1,746,270.91 - Step 4: Simplify right side
2,121,035.23x = 5,555,853,190,582.59 - Step 5: Solve for x
x = 5,555,853,190,582.59/2,121,035.23 - Step 6: Final answer
x = 2,619,406.37
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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.