Finding the Fourth Proportional to 3,975,621.70, 5,486,208.27 and 2,429,468.74
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Solution
The fourth proportional to 3,975,621.70, 5,486,208.27 and 2,429,468.74 is: 3,352,575.40
Step by Step Solution
- Step 1: Write the proportion equation
3,975,621.70 : 5,486,208.27 = 2,429,468.74 : x - Step 2: Convert to fraction form
3,975,621.70/5,486,208.27 = 2,429,468.74/x - Step 3: Cross multiply
3,975,621.70x = 5,486,208.27 × 2,429,468.74 - Step 4: Simplify right side
3,975,621.70x = 13,328,571,493,094.48 - Step 5: Solve for x
x = 13,328,571,493,094.48/3,975,621.70 - Step 6: Final answer
x = 3,352,575.40
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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.