Finding the Fourth Proportional to 5,642,945.14, 7,787,929.08 and 3,351,105.83
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Solution
The fourth proportional to 5,642,945.14, 7,787,929.08 and 3,351,105.83 is: 4,624,920.83
Step by Step Solution
- Step 1: Write the proportion equation
5,642,945.14 : 7,787,929.08 = 3,351,105.83 : x - Step 2: Convert to fraction form
5,642,945.14/7,787,929.08 = 3,351,105.83/x - Step 3: Cross multiply
5,642,945.14x = 7,787,929.08 × 3,351,105.83 - Step 4: Simplify right side
5,642,945.14x = 26,098,174,543,614.54 - Step 5: Solve for x
x = 26,098,174,543,614.54/5,642,945.14 - Step 6: Final answer
x = 4,624,920.83
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1.5x scale
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.