Finding the Fourth Proportional to 5,368,590.88, 7,405,832.16 and 3,191,585.68
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Solution
The fourth proportional to 5,368,590.88, 7,405,832.16 and 3,191,585.68 is: 4,402,709.84
Step by Step Solution
- Step 1: Write the proportion equation
5,368,590.88 : 7,405,832.16 = 3,191,585.68 : x - Step 2: Convert to fraction form
5,368,590.88/7,405,832.16 = 3,191,585.68/x - Step 3: Cross multiply
5,368,590.88x = 7,405,832.16 × 3,191,585.68 - Step 4: Simplify right side
5,368,590.88x = 23,636,347,870,339.47 - Step 5: Solve for x
x = 23,636,347,870,339.47/5,368,590.88 - Step 6: Final answer
x = 4,402,709.84
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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.