Finding the Fourth Proportional to 2,566,872, 3,534,370.80 and 2,279,893.68
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Solution
The fourth proportional to 2,566,872, 3,534,370.80 and 2,279,893.68 is: 3,139,225.35
Step by Step Solution
- Step 1: Write the proportion equation
2,566,872 : 3,534,370.80 = 2,279,893.68 : x - Step 2: Convert to fraction form
2,566,872/3,534,370.80 = 2,279,893.68/x - Step 3: Cross multiply
2,566,872x = 3,534,370.80 × 2,279,893.68 - Step 4: Simplify right side
2,566,872x = 8,057,989,649,696.54 - Step 5: Solve for x
x = 8,057,989,649,696.54/2,566,872 - Step 6: Final answer
x = 3,139,225.35
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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.