Finding the Fourth Proportional to 1,971,523.20, 2,957,066.10 and 551,722.80
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Solution
The fourth proportional to 1,971,523.20, 2,957,066.10 and 551,722.80 is: 827,523.00
Step by Step Solution
- Step 1: Write the proportion equation
1,971,523.20 : 2,957,066.10 = 551,722.80 : x - Step 2: Convert to fraction form
1,971,523.20/2,957,066.10 = 551,722.80/x - Step 3: Cross multiply
1,971,523.20x = 2,957,066.10 × 551,722.80 - Step 4: Simplify right side
1,971,523.20x = 1,631,480,788,477.08 - Step 5: Solve for x
x = 1,631,480,788,477.08/1,971,523.20 - Step 6: Final answer
x = 827,523.00
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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.