Finding the Fourth Proportional to 5,621,702.14, 8,435,912.69 and 5,164,330.74
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Solution
The fourth proportional to 5,621,702.14, 8,435,912.69 and 5,164,330.74 is: 7,749,582.27
Step by Step Solution
- Step 1: Write the proportion equation
5,621,702.14 : 8,435,912.69 = 5,164,330.74 : x - Step 2: Convert to fraction form
5,621,702.14/8,435,912.69 = 5,164,330.74/x - Step 3: Cross multiply
5,621,702.14x = 8,435,912.69 × 5,164,330.74 - Step 4: Simplify right side
5,621,702.14x = 43,565,843,224,923.09 - Step 5: Solve for x
x = 43,565,843,224,923.09/5,621,702.14 - Step 6: Final answer
x = 7,749,582.27
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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.