Finding the Fourth Proportional to 5,643,677.66, 7,788,142.69 and 3,320,720.63
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Solution
The fourth proportional to 5,643,677.66, 7,788,142.69 and 3,320,720.63 is: 4,582,516.52
Step by Step Solution
- Step 1: Write the proportion equation
5,643,677.66 : 7,788,142.69 = 3,320,720.63 : x - Step 2: Convert to fraction form
5,643,677.66/7,788,142.69 = 3,320,720.63/x - Step 3: Cross multiply
5,643,677.66x = 7,788,142.69 × 3,320,720.63 - Step 4: Simplify right side
5,643,677.66x = 25,862,246,100,066.70 - Step 5: Solve for x
x = 25,862,246,100,066.70/5,643,677.66 - Step 6: Final answer
x = 4,582,516.52
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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.