Finding the Fourth Proportional to 4,390,262.10, 6,587,361.45 and 1,992,872.70
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Solution
The fourth proportional to 4,390,262.10, 6,587,361.45 and 1,992,872.70 is: 2,990,202.52
Step by Step Solution
- Step 1: Write the proportion equation
4,390,262.10 : 6,587,361.45 = 1,992,872.70 : x - Step 2: Convert to fraction form
4,390,262.10/6,587,361.45 = 1,992,872.70/x - Step 3: Cross multiply
4,390,262.10x = 6,587,361.45 × 1,992,872.70 - Step 4: Simplify right side
4,390,262.10x = 13,127,772,798,737.42 - Step 5: Solve for x
x = 13,127,772,798,737.42/4,390,262.10 - Step 6: Final answer
x = 2,990,202.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.