Finding the Fourth Proportional to 5,976,725.55, 8,247,842.76 and 3,398,406.12
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Solution
The fourth proportional to 5,976,725.55, 8,247,842.76 and 3,398,406.12 is: 4,689,778.55
Step by Step Solution
- Step 1: Write the proportion equation
5,976,725.55 : 8,247,842.76 = 3,398,406.12 : x - Step 2: Convert to fraction form
5,976,725.55/8,247,842.76 = 3,398,406.12/x - Step 3: Cross multiply
5,976,725.55x = 8,247,842.76 × 3,398,406.12 - Step 4: Simplify right side
5,976,725.55x = 28,029,519,312,381.69 - Step 5: Solve for x
x = 28,029,519,312,381.69/5,976,725.55 - Step 6: Final answer
x = 4,689,778.55
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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.