Finding the Fourth Proportional to 3,587,528.40, 5,381,292.60 and 3,432,032.70
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Solution
The fourth proportional to 3,587,528.40, 5,381,292.60 and 3,432,032.70 is: 5,148,049.05
Step by Step Solution
- Step 1: Write the proportion equation
3,587,528.40 : 5,381,292.60 = 3,432,032.70 : x - Step 2: Convert to fraction form
3,587,528.40/5,381,292.60 = 3,432,032.70/x - Step 3: Cross multiply
3,587,528.40x = 5,381,292.60 × 3,432,032.70 - Step 4: Simplify right side
3,587,528.40x = 18,468,772,171,468.02 - Step 5: Solve for x
x = 18,468,772,171,468.02/3,587,528.40 - Step 6: Final answer
x = 5,148,049.05
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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.