Finding the Fourth Proportional to 4,920,465.02, 6,790,244.62 and 2,745,008.18
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Solution
The fourth proportional to 4,920,465.02, 6,790,244.62 and 2,745,008.18 is: 3,788,112.90
Step by Step Solution
- Step 1: Write the proportion equation
4,920,465.02 : 6,790,244.62 = 2,745,008.18 : x - Step 2: Convert to fraction form
4,920,465.02/6,790,244.62 = 2,745,008.18/x - Step 3: Cross multiply
4,920,465.02x = 6,790,244.62 × 2,745,008.18 - Step 4: Simplify right side
4,920,465.02x = 18,639,277,026,100.99 - Step 5: Solve for x
x = 18,639,277,026,100.99/4,920,465.02 - Step 6: Final answer
x = 3,788,112.90
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1.5x scale
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.