Finding the Fourth Proportional to 6,513,982.54, 8,990,373.97 and 3,614,307.58
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Solution
The fourth proportional to 6,513,982.54, 8,990,373.97 and 3,614,307.58 is: 4,988,342.63
Step by Step Solution
- Step 1: Write the proportion equation
6,513,982.54 : 8,990,373.97 = 3,614,307.58 : x - Step 2: Convert to fraction form
6,513,982.54/8,990,373.97 = 3,614,307.58/x - Step 3: Cross multiply
6,513,982.54x = 8,990,373.97 × 3,614,307.58 - Step 4: Simplify right side
6,513,982.54x = 32,493,976,802,561.54 - Step 5: Solve for x
x = 32,493,976,802,561.54/6,513,982.54 - Step 6: Final answer
x = 4,988,342.63
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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.