Finding the Fourth Proportional to 8,579,934.68, 12,869,897.92 and 2,190,184.98
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Solution
The fourth proportional to 8,579,934.68, 12,869,897.92 and 2,190,184.98 is: 3,285,276.42
Step by Step Solution
- Step 1: Write the proportion equation
8,579,934.68 : 12,869,897.92 = 2,190,184.98 : x - Step 2: Convert to fraction form
8,579,934.68/12,869,897.92 = 2,190,184.98/x - Step 3: Cross multiply
8,579,934.68x = 12,869,897.92 × 2,190,184.98 - Step 4: Simplify right side
8,579,934.68x = 28,187,457,118,517.24 - Step 5: Solve for x
x = 28,187,457,118,517.24/8,579,934.68 - Step 6: Final answer
x = 3,285,276.42
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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.