Finding the Fourth Proportional to 6,213,948.11, 8,575,074.82 and 3,460,634.79
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Solution
The fourth proportional to 6,213,948.11, 8,575,074.82 and 3,460,634.79 is: 4,775,579.34
Step by Step Solution
- Step 1: Write the proportion equation
6,213,948.11 : 8,575,074.82 = 3,460,634.79 : x - Step 2: Convert to fraction form
6,213,948.11/8,575,074.82 = 3,460,634.79/x - Step 3: Cross multiply
6,213,948.11x = 8,575,074.82 × 3,460,634.79 - Step 4: Simplify right side
6,213,948.11x = 29,675,202,221,114.25 - Step 5: Solve for x
x = 29,675,202,221,114.25/6,213,948.11 - Step 6: Final answer
x = 4,775,579.34
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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.