Finding the Fourth Proportional to 6,651,213.75, 9,178,674.98 and 3,595,428
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Solution
The fourth proportional to 6,651,213.75, 9,178,674.98 and 3,595,428 is: 4,961,690.64
Step by Step Solution
- Step 1: Write the proportion equation
6,651,213.75 : 9,178,674.98 = 3,595,428 : x - Step 2: Convert to fraction form
6,651,213.75/9,178,674.98 = 3,595,428/x - Step 3: Cross multiply
6,651,213.75x = 9,178,674.98 × 3,595,428 - Step 4: Simplify right side
6,651,213.75x = 33,001,265,008,014.30 - Step 5: Solve for x
x = 33,001,265,008,014.30/6,651,213.75 - Step 6: Final answer
x = 4,961,690.64
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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.