Finding the Fourth Proportional to 6,561,309.75, 9,055,042.68 and 3,660,763.40
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Solution
The fourth proportional to 6,561,309.75, 9,055,042.68 and 3,660,763.40 is: 5,052,096.32
Step by Step Solution
- Step 1: Write the proportion equation
6,561,309.75 : 9,055,042.68 = 3,660,763.40 : x - Step 2: Convert to fraction form
6,561,309.75/9,055,042.68 = 3,660,763.40/x - Step 3: Cross multiply
6,561,309.75x = 9,055,042.68 × 3,660,763.40 - Step 4: Simplify right side
6,561,309.75x = 33,148,368,828,381.91 - Step 5: Solve for x
x = 33,148,368,828,381.91/6,561,309.75 - Step 6: Final answer
x = 5,052,096.32
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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.