Finding the Fourth Proportional to 5,395,088.70, 7,445,135.49 and 2,947,647.18
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Solution
The fourth proportional to 5,395,088.70, 7,445,135.49 and 2,947,647.18 is: 4,067,705.62
Step by Step Solution
- Step 1: Write the proportion equation
5,395,088.70 : 7,445,135.49 = 2,947,647.18 : x - Step 2: Convert to fraction form
5,395,088.70/7,445,135.49 = 2,947,647.18/x - Step 3: Cross multiply
5,395,088.70x = 7,445,135.49 × 2,947,647.18 - Step 4: Simplify right side
5,395,088.70x = 21,945,632,631,816.42 - Step 5: Solve for x
x = 21,945,632,631,816.42/5,395,088.70 - Step 6: Final answer
x = 4,067,705.62
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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.