Finding the Fourth Proportional to 4,836,631.68, 7,255,880.64 and 2,709,118.08
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Solution
The fourth proportional to 4,836,631.68, 7,255,880.64 and 2,709,118.08 is: 4,064,199.78
Step by Step Solution
- Step 1: Write the proportion equation
4,836,631.68 : 7,255,880.64 = 2,709,118.08 : x - Step 2: Convert to fraction form
4,836,631.68/7,255,880.64 = 2,709,118.08/x - Step 3: Cross multiply
4,836,631.68x = 7,255,880.64 × 2,709,118.08 - Step 4: Simplify right side
4,836,631.68x = 19,657,037,428,145.97 - Step 5: Solve for x
x = 19,657,037,428,145.97/4,836,631.68 - Step 6: Final answer
x = 4,064,199.78
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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.