Finding the Fourth Proportional to 5,114,124.48, 7,057,484.64 and 2,822,284.80
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Solution
The fourth proportional to 5,114,124.48, 7,057,484.64 and 2,822,284.80 is: 3,894,749.08
Step by Step Solution
- Step 1: Write the proportion equation
5,114,124.48 : 7,057,484.64 = 2,822,284.80 : x - Step 2: Convert to fraction form
5,114,124.48/7,057,484.64 = 2,822,284.80/x - Step 3: Cross multiply
5,114,124.48x = 7,057,484.64 × 2,822,284.80 - Step 4: Simplify right side
5,114,124.48x = 19,918,231,625,705.47 - Step 5: Solve for x
x = 19,918,231,625,705.47/5,114,124.48 - Step 6: Final answer
x = 3,894,749.08
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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.