Finding the Fourth Proportional to 5,259,793.80, 7,889,690.70 and 3,370,225.80
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Solution
The fourth proportional to 5,259,793.80, 7,889,690.70 and 3,370,225.80 is: 5,055,338.70
Step by Step Solution
- Step 1: Write the proportion equation
5,259,793.80 : 7,889,690.70 = 3,370,225.80 : x - Step 2: Convert to fraction form
5,259,793.80/7,889,690.70 = 3,370,225.80/x - Step 3: Cross multiply
5,259,793.80x = 7,889,690.70 × 3,370,225.80 - Step 4: Simplify right side
5,259,793.80x = 26,590,039,151,160.06 - Step 5: Solve for x
x = 26,590,039,151,160.06/5,259,793.80 - Step 6: Final answer
x = 5,055,338.70
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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.