Finding the Fourth Proportional to 8,620,490.76, 12,926,988.32 and 2,471,118.09
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Solution
The fourth proportional to 8,620,490.76, 12,926,988.32 and 2,471,118.09 is: 3,705,602.80
Step by Step Solution
- Step 1: Write the proportion equation
8,620,490.76 : 12,926,988.32 = 2,471,118.09 : x - Step 2: Convert to fraction form
8,620,490.76/12,926,988.32 = 2,471,118.09/x - Step 3: Cross multiply
8,620,490.76x = 12,926,988.32 × 2,471,118.09 - Step 4: Simplify right side
8,620,490.76x = 31,944,114,674,415.11 - Step 5: Solve for x
x = 31,944,114,674,415.11/8,620,490.76 - Step 6: Final answer
x = 3,705,602.80
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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.