Finding the Fourth Proportional to 5,202,349.02, 7,803,377.10 and 1,415,864.70
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Solution
The fourth proportional to 5,202,349.02, 7,803,377.10 and 1,415,864.70 is: 2,123,757.20
Step by Step Solution
- Step 1: Write the proportion equation
5,202,349.02 : 7,803,377.10 = 1,415,864.70 : x - Step 2: Convert to fraction form
5,202,349.02/7,803,377.10 = 1,415,864.70/x - Step 3: Cross multiply
5,202,349.02x = 7,803,377.10 × 1,415,864.70 - Step 4: Simplify right side
5,202,349.02x = 11,048,526,176,678.37 - Step 5: Solve for x
x = 11,048,526,176,678.37/5,202,349.02 - Step 6: Final answer
x = 2,123,757.20
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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.