Finding the Fourth Proportional to 6,475,103.40, 8,935,587.89 and 3,574,431.99
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Solution
The fourth proportional to 6,475,103.40, 8,935,587.89 and 3,574,431.99 is: 4,932,685.90
Step by Step Solution
- Step 1: Write the proportion equation
6,475,103.40 : 8,935,587.89 = 3,574,431.99 : x - Step 2: Convert to fraction form
6,475,103.40/8,935,587.89 = 3,574,431.99/x - Step 3: Cross multiply
6,475,103.40x = 8,935,587.89 × 3,574,431.99 - Step 4: Simplify right side
6,475,103.40x = 31,939,651,227,904.97 - Step 5: Solve for x
x = 31,939,651,227,904.97/6,475,103.40 - Step 6: Final answer
x = 4,932,685.90
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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.