Finding the Fourth Proportional to 4,531,678.58, 6,253,854.19 and 3,209,471.09
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Solution
The fourth proportional to 4,531,678.58, 6,253,854.19 and 3,209,471.09 is: 4,429,167.66
Step by Step Solution
- Step 1: Write the proportion equation
4,531,678.58 : 6,253,854.19 = 3,209,471.09 : x - Step 2: Convert to fraction form
4,531,678.58/6,253,854.19 = 3,209,471.09/x - Step 3: Cross multiply
4,531,678.58x = 6,253,854.19 × 3,209,471.09 - Step 4: Simplify right side
4,531,678.58x = 20,071,564,208,039.37 - Step 5: Solve for x
x = 20,071,564,208,039.37/4,531,678.58 - Step 6: Final answer
x = 4,429,167.66
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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.