Finding the Fourth Proportional to 8,546,958.70, 12,820,438.05 and 2,563,326.70
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Solution
The fourth proportional to 8,546,958.70, 12,820,438.05 and 2,563,326.70 is: 3,844,990.05
Step by Step Solution
- Step 1: Write the proportion equation
8,546,958.70 : 12,820,438.05 = 2,563,326.70 : x - Step 2: Convert to fraction form
8,546,958.70/12,820,438.05 = 2,563,326.70/x - Step 3: Cross multiply
8,546,958.70x = 12,820,438.05 × 2,563,326.70 - Step 4: Simplify right side
8,546,958.70x = 32,862,971,159,260.94 - Step 5: Solve for x
x = 32,862,971,159,260.94/8,546,958.70 - Step 6: Final answer
x = 3,844,990.05
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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.