Finding the Fourth Proportional to 5,267,391.90, 7,269,590.75 and 2,975,700.21
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Solution
The fourth proportional to 5,267,391.90, 7,269,590.75 and 2,975,700.21 is: 4,106,799.55
Step by Step Solution
- Step 1: Write the proportion equation
5,267,391.90 : 7,269,590.75 = 2,975,700.21 : x - Step 2: Convert to fraction form
5,267,391.90/7,269,590.75 = 2,975,700.21/x - Step 3: Cross multiply
5,267,391.90x = 7,269,590.75 × 2,975,700.21 - Step 4: Simplify right side
5,267,391.90x = 21,632,122,706,510.55 - Step 5: Solve for x
x = 21,632,122,706,510.55/5,267,391.90 - Step 6: Final answer
x = 4,106,799.55
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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.