Finding the Fourth Proportional to 4,642,691.19, 6,407,113.94 and 2,577,707.03
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Solution
The fourth proportional to 4,642,691.19, 6,407,113.94 and 2,577,707.03 is: 3,557,346.80
Step by Step Solution
- Step 1: Write the proportion equation
4,642,691.19 : 6,407,113.94 = 2,577,707.03 : x - Step 2: Convert to fraction form
4,642,691.19/6,407,113.94 = 2,577,707.03/x - Step 3: Cross multiply
4,642,691.19x = 6,407,113.94 × 2,577,707.03 - Step 4: Simplify right side
4,642,691.19x = 16,515,662,657,944.65 - Step 5: Solve for x
x = 16,515,662,657,944.65/4,642,691.19 - Step 6: Final answer
x = 3,557,346.80
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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.