Finding the Fourth Proportional to 3,188,220.84, 4,399,740.18 and 1,737,919.08
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Solution
The fourth proportional to 3,188,220.84, 4,399,740.18 and 1,737,919.08 is: 2,398,325.83
Step by Step Solution
- Step 1: Write the proportion equation
3,188,220.84 : 4,399,740.18 = 1,737,919.08 : x - Step 2: Convert to fraction form
3,188,220.84/4,399,740.18 = 1,737,919.08/x - Step 3: Cross multiply
3,188,220.84x = 4,399,740.18 × 1,737,919.08 - Step 4: Simplify right side
3,188,220.84x = 7,646,392,405,864.63 - Step 5: Solve for x
x = 7,646,392,405,864.63/3,188,220.84 - Step 6: Final answer
x = 2,398,325.83
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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.