Finding the Fourth Proportional to 5,390,577.67, 7,439,649.52 and 3,068,034.91
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Solution
The fourth proportional to 5,390,577.67, 7,439,649.52 and 3,068,034.91 is: 4,234,259.45
Step by Step Solution
- Step 1: Write the proportion equation
5,390,577.67 : 7,439,649.52 = 3,068,034.91 : x - Step 2: Convert to fraction form
5,390,577.67/7,439,649.52 = 3,068,034.91/x - Step 3: Cross multiply
5,390,577.67x = 7,439,649.52 × 3,068,034.91 - Step 4: Simplify right side
5,390,577.67x = 22,825,104,445,524.74 - Step 5: Solve for x
x = 22,825,104,445,524.74/5,390,577.67 - Step 6: Final answer
x = 4,234,259.45
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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.