Finding the Fourth Proportional to 6,293,686.23, 8,685,034.65 and 3,540,428.19
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Solution
The fourth proportional to 6,293,686.23, 8,685,034.65 and 3,540,428.19 is: 4,885,648.95
Step by Step Solution
- Step 1: Write the proportion equation
6,293,686.23 : 8,685,034.65 = 3,540,428.19 : x - Step 2: Convert to fraction form
6,293,686.23/8,685,034.65 = 3,540,428.19/x - Step 3: Cross multiply
6,293,686.23x = 8,685,034.65 × 3,540,428.19 - Step 4: Simplify right side
6,293,686.23x = 30,748,741,505,986.79 - Step 5: Solve for x
x = 30,748,741,505,986.79/6,293,686.23 - Step 6: Final answer
x = 4,885,648.95
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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.