Finding the Fourth Proportional to 5,386,486.20, 8,084,135.70 and 5,344,495.80
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Solution
The fourth proportional to 5,386,486.20, 8,084,135.70 and 5,344,495.80 is: 8,021,115.75
Step by Step Solution
- Step 1: Write the proportion equation
5,386,486.20 : 8,084,135.70 = 5,344,495.80 : x - Step 2: Convert to fraction form
5,386,486.20/8,084,135.70 = 5,344,495.80/x - Step 3: Cross multiply
5,386,486.20x = 8,084,135.70 × 5,344,495.80 - Step 4: Simplify right side
5,386,486.20x = 43,205,629,295,280.06 - Step 5: Solve for x
x = 43,205,629,295,280.06/5,386,486.20 - Step 6: Final answer
x = 8,021,115.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.