Finding the Fourth Proportional to 6,326,949.41, 8,731,176.86 and 3,426,331.31
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Solution
The fourth proportional to 6,326,949.41, 8,731,176.86 and 3,426,331.31 is: 4,728,329.99
Step by Step Solution
- Step 1: Write the proportion equation
6,326,949.41 : 8,731,176.86 = 3,426,331.31 : x - Step 2: Convert to fraction form
6,326,949.41/8,731,176.86 = 3,426,331.31/x - Step 3: Cross multiply
6,326,949.41x = 8,731,176.86 × 3,426,331.31 - Step 4: Simplify right side
6,326,949.41x = 29,915,904,587,777.95 - Step 5: Solve for x
x = 29,915,904,587,777.95/6,326,949.41 - Step 6: Final answer
x = 4,728,329.99
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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.