Finding the Fourth Proportional to 4,990,119.98, 7,486,001.16 and 1,531,772.84
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Solution
The fourth proportional to 4,990,119.98, 7,486,001.16 and 1,531,772.84 is: 2,297,911.33
Step by Step Solution
- Step 1: Write the proportion equation
4,990,119.98 : 7,486,001.16 = 1,531,772.84 : x - Step 2: Convert to fraction form
4,990,119.98/7,486,001.16 = 1,531,772.84/x - Step 3: Cross multiply
4,990,119.98x = 7,486,001.16 × 1,531,772.84 - Step 4: Simplify right side
4,990,119.98x = 11,466,853,257,096.50 - Step 5: Solve for x
x = 11,466,853,257,096.50/4,990,119.98 - Step 6: Final answer
x = 2,297,911.33
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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.