Finding the Fourth Proportional to 4,648,123.40, 6,972,586.84 and 1,282,330.40
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Solution
The fourth proportional to 4,648,123.40, 6,972,586.84 and 1,282,330.40 is: 1,923,606.43
Step by Step Solution
- Step 1: Write the proportion equation
4,648,123.40 : 6,972,586.84 = 1,282,330.40 : x - Step 2: Convert to fraction form
4,648,123.40/6,972,586.84 = 1,282,330.40/x - Step 3: Cross multiply
4,648,123.40x = 6,972,586.84 × 1,282,330.40 - Step 4: Simplify right side
4,648,123.40x = 8,941,160,071,571.94 - Step 5: Solve for x
x = 8,941,160,071,571.94/4,648,123.40 - Step 6: Final answer
x = 1,923,606.43
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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.