Finding the Fourth Proportional to 5,279,670.87, 7,923,283.34 and 2,249,159.55
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Solution
The fourth proportional to 5,279,670.87, 7,923,283.34 and 2,249,159.55 is: 3,375,348.35
Step by Step Solution
- Step 1: Write the proportion equation
5,279,670.87 : 7,923,283.34 = 2,249,159.55 : x - Step 2: Convert to fraction form
5,279,670.87/7,923,283.34 = 2,249,159.55/x - Step 3: Cross multiply
5,279,670.87x = 7,923,283.34 × 2,249,159.55 - Step 4: Simplify right side
5,279,670.87x = 17,820,728,380,271.10 - Step 5: Solve for x
x = 17,820,728,380,271.10/5,279,670.87 - Step 6: Final answer
x = 3,375,348.35
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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.