Finding the Fourth Proportional to 4,934,531.52, 6,811,532.64 and 3,216,070.08
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Solution
The fourth proportional to 4,934,531.52, 6,811,532.64 and 3,216,070.08 is: 4,439,401.44
Step by Step Solution
- Step 1: Write the proportion equation
4,934,531.52 : 6,811,532.64 = 3,216,070.08 : x - Step 2: Convert to fraction form
4,934,531.52/6,811,532.64 = 3,216,070.08/x - Step 3: Cross multiply
4,934,531.52x = 6,811,532.64 × 3,216,070.08 - Step 4: Simplify right side
4,934,531.52x = 21,906,366,322,447.41 - Step 5: Solve for x
x = 21,906,366,322,447.41/4,934,531.52 - Step 6: Final answer
x = 4,439,401.44
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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.