Finding the Fourth Proportional to 8,579,925.19, 12,869,883.68 and 2,190,175.49
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Solution
The fourth proportional to 8,579,925.19, 12,869,883.68 and 2,190,175.49 is: 3,285,262.19
Step by Step Solution
- Step 1: Write the proportion equation
8,579,925.19 : 12,869,883.68 = 2,190,175.49 : x - Step 2: Convert to fraction form
8,579,925.19/12,869,883.68 = 2,190,175.49/x - Step 3: Cross multiply
8,579,925.19x = 12,869,883.68 × 2,190,175.49 - Step 4: Simplify right side
8,579,925.19x = 28,187,303,795,087.00 - Step 5: Solve for x
x = 28,187,303,795,087.00/8,579,925.19 - Step 6: Final answer
x = 3,285,262.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.