Finding the Fourth Proportional to 2,386,734.42, 3,580,219.64 and 681,129.11
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Solution
The fourth proportional to 2,386,734.42, 3,580,219.64 and 681,129.11 is: 1,021,727.34
Step by Step Solution
- Step 1: Write the proportion equation
2,386,734.42 : 3,580,219.64 = 681,129.11 : x - Step 2: Convert to fraction form
2,386,734.42/3,580,219.64 = 681,129.11/x - Step 3: Cross multiply
2,386,734.42x = 3,580,219.64 × 681,129.11 - Step 4: Simplify right side
2,386,734.42x = 2,438,591,816,997.72 - Step 5: Solve for x
x = 2,438,591,816,997.72/2,386,734.42 - Step 6: Final answer
x = 1,021,727.34
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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.