Finding the Fourth Proportional to 4,209,877.75, 5,809,626.35 and 2,276,133.74
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Solution
The fourth proportional to 4,209,877.75, 5,809,626.35 and 2,276,133.74 is: 3,141,061.89
Step by Step Solution
- Step 1: Write the proportion equation
4,209,877.75 : 5,809,626.35 = 2,276,133.74 : x - Step 2: Convert to fraction form
4,209,877.75/5,809,626.35 = 2,276,133.74/x - Step 3: Cross multiply
4,209,877.75x = 5,809,626.35 × 2,276,133.74 - Step 4: Simplify right side
4,209,877.75x = 13,223,486,552,028.05 - Step 5: Solve for x
x = 13,223,486,552,028.05/4,209,877.75 - Step 6: Final answer
x = 3,141,061.89
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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.