Finding the Fourth Proportional to 1,915,902.15, 2,873,921.11 and 476,593.05
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Solution
The fourth proportional to 1,915,902.15, 2,873,921.11 and 476,593.05 is: 714,906.46
Step by Step Solution
- Step 1: Write the proportion equation
1,915,902.15 : 2,873,921.11 = 476,593.05 : x - Step 2: Convert to fraction form
1,915,902.15/2,873,921.11 = 476,593.05/x - Step 3: Cross multiply
1,915,902.15x = 2,873,921.11 × 476,593.05 - Step 4: Simplify right side
1,915,902.15x = 1,369,690,827,274.29 - Step 5: Solve for x
x = 1,369,690,827,274.29/1,915,902.15 - Step 6: Final answer
x = 714,906.46
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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.