Finding the Fourth Proportional to 5,371,451.42, 7,412,602.68 and 2,924,080.16
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Solution
The fourth proportional to 5,371,451.42, 7,412,602.68 and 2,924,080.16 is: 4,035,230.47
Step by Step Solution
- Step 1: Write the proportion equation
5,371,451.42 : 7,412,602.68 = 2,924,080.16 : x - Step 2: Convert to fraction form
5,371,451.42/7,412,602.68 = 2,924,080.16/x - Step 3: Cross multiply
5,371,451.42x = 7,412,602.68 × 2,924,080.16 - Step 4: Simplify right side
5,371,451.42x = 21,675,044,430,550.83 - Step 5: Solve for x
x = 21,675,044,430,550.83/5,371,451.42 - Step 6: Final answer
x = 4,035,230.47
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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.