Finding the Fourth Proportional to 1,924,998.62, 2,656,700.17 and 1,440,716.63
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Solution
The fourth proportional to 1,924,998.62, 2,656,700.17 and 1,440,716.63 is: 1,988,340.18
Step by Step Solution
- Step 1: Write the proportion equation
1,924,998.62 : 2,656,700.17 = 1,440,716.63 : x - Step 2: Convert to fraction form
1,924,998.62/2,656,700.17 = 1,440,716.63/x - Step 3: Cross multiply
1,924,998.62x = 2,656,700.17 × 1,440,716.63 - Step 4: Simplify right side
1,924,998.62x = 3,827,552,098,957.53 - Step 5: Solve for x
x = 3,827,552,098,957.53/1,924,998.62 - Step 6: Final answer
x = 1,988,340.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.