Finding the Fourth Proportional to 3,598,487.66, 5,395,064.97 and 2,178,207.74
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Solution
The fourth proportional to 3,598,487.66, 5,395,064.97 and 2,178,207.74 is: 3,265,697.53
Step by Step Solution
- Step 1: Write the proportion equation
3,598,487.66 : 5,395,064.97 = 2,178,207.74 : x - Step 2: Convert to fraction form
3,598,487.66/5,395,064.97 = 2,178,207.74/x - Step 3: Cross multiply
3,598,487.66x = 5,395,064.97 × 2,178,207.74 - Step 4: Simplify right side
3,598,487.66x = 11,751,572,275,456.87 - Step 5: Solve for x
x = 11,751,572,275,456.87/3,598,487.66 - Step 6: Final answer
x = 3,265,697.53
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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.