Finding the Fourth Proportional to 4,994,477.32, 7,491,719.60 and 1,207,963.84
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Solution
The fourth proportional to 4,994,477.32, 7,491,719.60 and 1,207,963.84 is: 1,811,946.64
Step by Step Solution
- Step 1: Write the proportion equation
4,994,477.32 : 7,491,719.60 = 1,207,963.84 : x - Step 2: Convert to fraction form
4,994,477.32/7,491,719.60 = 1,207,963.84/x - Step 3: Cross multiply
4,994,477.32x = 7,491,719.60 × 1,207,963.84 - Step 4: Simplify right side
4,994,477.32x = 9,049,726,376,219.26 - Step 5: Solve for x
x = 9,049,726,376,219.26/4,994,477.32 - Step 6: Final answer
x = 1,811,946.64
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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.