Finding the Fourth Proportional to 5,152,473.50, 7,110,135.79 and 2,860,486.70
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Solution
The fourth proportional to 5,152,473.50, 7,110,135.79 and 2,860,486.70 is: 3,947,317.50
Step by Step Solution
- Step 1: Write the proportion equation
5,152,473.50 : 7,110,135.79 = 2,860,486.70 : x - Step 2: Convert to fraction form
5,152,473.50/7,110,135.79 = 2,860,486.70/x - Step 3: Cross multiply
5,152,473.50x = 7,110,135.79 × 2,860,486.70 - Step 4: Simplify right side
5,152,473.50x = 20,338,448,819,787.09 - Step 5: Solve for x
x = 20,338,448,819,787.09/5,152,473.50 - Step 6: Final answer
x = 3,947,317.50
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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.