Finding the Fourth Proportional to 7,068,928.40, 10,596,394.20 and 3,471,750.80
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Solution
The fourth proportional to 7,068,928.40, 10,596,394.20 and 3,471,750.80 is: 5,204,189.09
Step by Step Solution
- Step 1: Write the proportion equation
7,068,928.40 : 10,596,394.20 = 3,471,750.80 : x - Step 2: Convert to fraction form
7,068,928.40/10,596,394.20 = 3,471,750.80/x - Step 3: Cross multiply
7,068,928.40x = 10,596,394.20 × 3,471,750.80 - Step 4: Simplify right side
7,068,928.40x = 36,788,040,040,965.35 - Step 5: Solve for x
x = 36,788,040,040,965.35/7,068,928.40 - Step 6: Final answer
x = 5,204,189.09
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1.5x scale
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.