Finding the Fourth Proportional to 6,439,436.48, 9,646,533.84 and 3,738,097.28
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Solution
The fourth proportional to 6,439,436.48, 9,646,533.84 and 3,738,097.28 is: 5,599,819.49
Step by Step Solution
- Step 1: Write the proportion equation
6,439,436.48 : 9,646,533.84 = 3,738,097.28 : x - Step 2: Convert to fraction form
6,439,436.48/9,646,533.84 = 3,738,097.28/x - Step 3: Cross multiply
6,439,436.48x = 9,646,533.84 × 3,738,097.28 - Step 4: Simplify right side
6,439,436.48x = 36,059,681,908,731.95 - Step 5: Solve for x
x = 36,059,681,908,731.95/6,439,436.48 - Step 6: Final answer
x = 5,599,819.49
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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.