Finding the Fourth Proportional to 3,478,149.88, 5,218,391.94 and 1,348,303.48
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Solution
The fourth proportional to 3,478,149.88, 5,218,391.94 and 1,348,303.48 is: 2,022,907.65
Step by Step Solution
- Step 1: Write the proportion equation
3,478,149.88 : 5,218,391.94 = 1,348,303.48 : x - Step 2: Convert to fraction form
3,478,149.88/5,218,391.94 = 1,348,303.48/x - Step 3: Cross multiply
3,478,149.88x = 5,218,391.94 × 1,348,303.48 - Step 4: Simplify right side
3,478,149.88x = 7,035,976,012,705.95 - Step 5: Solve for x
x = 7,035,976,012,705.95/3,478,149.88 - Step 6: Final answer
x = 2,022,907.65
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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.