Finding the Fourth Proportional to 5,405,252.71, 7,459,133.65 and 2,957,853.91
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Solution
The fourth proportional to 5,405,252.71, 7,459,133.65 and 2,957,853.91 is: 4,081,775.42
Step by Step Solution
- Step 1: Write the proportion equation
5,405,252.71 : 7,459,133.65 = 2,957,853.91 : x - Step 2: Convert to fraction form
5,405,252.71/7,459,133.65 = 2,957,853.91/x - Step 3: Cross multiply
5,405,252.71x = 7,459,133.65 × 2,957,853.91 - Step 4: Simplify right side
5,405,252.71x = 22,063,027,631,865.07 - Step 5: Solve for x
x = 22,063,027,631,865.07/5,405,252.71 - Step 6: Final answer
x = 4,081,775.42
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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.