Finding the Fourth Proportional to 5,405,279.08, 7,459,285.71 and 2,957,890.63
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Solution
The fourth proportional to 5,405,279.08, 7,459,285.71 and 2,957,890.63 is: 4,081,889.39
Step by Step Solution
- Step 1: Write the proportion equation
5,405,279.08 : 7,459,285.71 = 2,957,890.63 : x - Step 2: Convert to fraction form
5,405,279.08/7,459,285.71 = 2,957,890.63/x - Step 3: Cross multiply
5,405,279.08x = 7,459,285.71 × 2,957,890.63 - Step 4: Simplify right side
5,405,279.08x = 22,063,751,308,101.89 - Step 5: Solve for x
x = 22,063,751,308,101.89/5,405,279.08 - Step 6: Final answer
x = 4,081,889.39
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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.