Finding the Fourth Proportional to 4,915,865.61, 6,784,298.39 and 2,711,159.61
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Solution
The fourth proportional to 4,915,865.61, 6,784,298.39 and 2,711,159.61 is: 3,741,622.99
Step by Step Solution
- Step 1: Write the proportion equation
4,915,865.61 : 6,784,298.39 = 2,711,159.61 : x - Step 2: Convert to fraction form
4,915,865.61/6,784,298.39 = 2,711,159.61/x - Step 3: Cross multiply
4,915,865.61x = 6,784,298.39 × 2,711,159.61 - Step 4: Simplify right side
4,915,865.61x = 18,393,315,763,600.23 - Step 5: Solve for x
x = 18,393,315,763,600.23/4,915,865.61 - Step 6: Final answer
x = 3,741,622.99
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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.