Finding the Fourth Proportional to 5,752,009.44, 7,940,649.36 and 3,577,253.04
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Solution
The fourth proportional to 5,752,009.44, 7,940,649.36 and 3,577,253.04 is: 4,938,398.03
Step by Step Solution
- Step 1: Write the proportion equation
5,752,009.44 : 7,940,649.36 = 3,577,253.04 : x - Step 2: Convert to fraction form
5,752,009.44/7,940,649.36 = 3,577,253.04/x - Step 3: Cross multiply
5,752,009.44x = 7,940,649.36 × 3,577,253.04 - Step 4: Simplify right side
5,752,009.44x = 28,405,712,062,634.05 - Step 5: Solve for x
x = 28,405,712,062,634.05/5,752,009.44 - Step 6: Final answer
x = 4,938,398.03
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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.