Finding the Fourth Proportional to 6,643,180.70, 9,964,771.05 and 3,283,948.70
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Solution
The fourth proportional to 6,643,180.70, 9,964,771.05 and 3,283,948.70 is: 4,925,923.05
Step by Step Solution
- Step 1: Write the proportion equation
6,643,180.70 : 9,964,771.05 = 3,283,948.70 : x - Step 2: Convert to fraction form
6,643,180.70/9,964,771.05 = 3,283,948.70/x - Step 3: Cross multiply
6,643,180.70x = 9,964,771.05 × 3,283,948.70 - Step 4: Simplify right side
6,643,180.70x = 32,723,796,935,445.14 - Step 5: Solve for x
x = 32,723,796,935,445.14/6,643,180.70 - Step 6: Final answer
x = 4,925,923.05
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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.