Finding the Fourth Proportional to 5,395,138.79, 7,445,203.46 and 2,947,697.17
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Solution
The fourth proportional to 5,395,138.79, 7,445,203.46 and 2,947,697.17 is: 4,067,773.97
Step by Step Solution
- Step 1: Write the proportion equation
5,395,138.79 : 7,445,203.46 = 2,947,697.17 : x - Step 2: Convert to fraction form
5,395,138.79/7,445,203.46 = 2,947,697.17/x - Step 3: Cross multiply
5,395,138.79x = 7,445,203.46 × 2,947,697.17 - Step 4: Simplify right side
5,395,138.79x = 21,946,205,157,872.45 - Step 5: Solve for x
x = 21,946,205,157,872.45/5,395,138.79 - Step 6: Final answer
x = 4,067,773.97
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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.