Finding the Fourth Proportional to 6,347,751.65, 8,762,578.64 and 4,285,560.32
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Solution
The fourth proportional to 6,347,751.65, 8,762,578.64 and 4,285,560.32 is: 5,915,883.51
Step by Step Solution
- Step 1: Write the proportion equation
6,347,751.65 : 8,762,578.64 = 4,285,560.32 : x - Step 2: Convert to fraction form
6,347,751.65/8,762,578.64 = 4,285,560.32/x - Step 3: Cross multiply
6,347,751.65x = 8,762,578.64 × 4,285,560.32 - Step 4: Simplify right side
6,347,751.65x = 37,552,559,299,035.77 - Step 5: Solve for x
x = 37,552,559,299,035.77/6,347,751.65 - Step 6: Final answer
x = 5,915,883.51
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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.