Finding the Fourth Proportional to 5,475,815.75, 7,556,320.17 and 2,994,546.78
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Solution
The fourth proportional to 5,475,815.75, 7,556,320.17 and 2,994,546.78 is: 4,132,307.45
Step by Step Solution
- Step 1: Write the proportion equation
5,475,815.75 : 7,556,320.17 = 2,994,546.78 : x - Step 2: Convert to fraction form
5,475,815.75/7,556,320.17 = 2,994,546.78/x - Step 3: Cross multiply
5,475,815.75x = 7,556,320.17 × 2,994,546.78 - Step 4: Simplify right side
5,475,815.75x = 22,627,754,233,722.55 - Step 5: Solve for x
x = 22,627,754,233,722.55/5,475,815.75 - Step 6: Final answer
x = 4,132,307.45
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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.