Finding the Fourth Proportional to 6,307,932.68, 8,704,945.76 and 3,407,323.62
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Solution
The fourth proportional to 6,307,932.68, 8,704,945.76 and 3,407,323.62 is: 4,702,105.87
Step by Step Solution
- Step 1: Write the proportion equation
6,307,932.68 : 8,704,945.76 = 3,407,323.62 : x - Step 2: Convert to fraction form
6,307,932.68/8,704,945.76 = 3,407,323.62/x - Step 3: Cross multiply
6,307,932.68x = 8,704,945.76 × 3,407,323.62 - Step 4: Simplify right side
6,307,932.68x = 29,660,567,281,830.24 - Step 5: Solve for x
x = 29,660,567,281,830.24/6,307,932.68 - Step 6: Final answer
x = 4,702,105.87
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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.