Finding the Fourth Proportional to 3,778,377.92, 5,214,213.35 and 2,059,494.74
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Solution
The fourth proportional to 3,778,377.92, 5,214,213.35 and 2,059,494.74 is: 2,842,130.99
Step by Step Solution
- Step 1: Write the proportion equation
3,778,377.92 : 5,214,213.35 = 2,059,494.74 : x - Step 2: Convert to fraction form
3,778,377.92/5,214,213.35 = 2,059,494.74/x - Step 3: Cross multiply
3,778,377.92x = 5,214,213.35 × 2,059,494.74 - Step 4: Simplify right side
3,778,377.92x = 10,738,644,967,562.78 - Step 5: Solve for x
x = 10,738,644,967,562.78/3,778,377.92 - Step 6: Final answer
x = 2,842,130.99
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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.