Finding the Fourth Proportional to 6,917,707.87, 10,382,858.62 and 3,681,962.09
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Solution
The fourth proportional to 6,917,707.87, 10,382,858.62 and 3,681,962.09 is: 5,526,294.63
Step by Step Solution
- Step 1: Write the proportion equation
6,917,707.87 : 10,382,858.62 = 3,681,962.09 : x - Step 2: Convert to fraction form
6,917,707.87/10,382,858.62 = 3,681,962.09/x - Step 3: Cross multiply
6,917,707.87x = 10,382,858.62 × 3,681,962.09 - Step 4: Simplify right side
6,917,707.87x = 38,229,291,824,669.71 - Step 5: Solve for x
x = 38,229,291,824,669.71/6,917,707.87 - Step 6: Final answer
x = 5,526,294.63
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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.