Finding the Fourth Proportional to 4,626,657.35, 6,384,986.61 and 2,561,672.81
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Solution
The fourth proportional to 4,626,657.35, 6,384,986.61 and 2,561,672.81 is: 3,535,218.92
Step by Step Solution
- Step 1: Write the proportion equation
4,626,657.35 : 6,384,986.61 = 2,561,672.81 : x - Step 2: Convert to fraction form
4,626,657.35/6,384,986.61 = 2,561,672.81/x - Step 3: Cross multiply
4,626,657.35x = 6,384,986.61 × 2,561,672.81 - Step 4: Simplify right side
4,626,657.35x = 16,356,246,591,051.08 - Step 5: Solve for x
x = 16,356,246,591,051.08/4,626,657.35 - Step 6: Final answer
x = 3,535,218.92
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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.