Finding the Fourth Proportional to 6,239,794.28, 8,610,973.08 and 3,661,518.08
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Solution
The fourth proportional to 6,239,794.28, 8,610,973.08 and 3,661,518.08 is: 5,052,928.38
Step by Step Solution
- Step 1: Write the proportion equation
6,239,794.28 : 8,610,973.08 = 3,661,518.08 : x - Step 2: Convert to fraction form
6,239,794.28/8,610,973.08 = 3,661,518.08/x - Step 3: Cross multiply
6,239,794.28x = 8,610,973.08 × 3,661,518.08 - Step 4: Simplify right side
6,239,794.28x = 31,529,233,618,813.29 - Step 5: Solve for x
x = 31,529,233,618,813.29/6,239,794.28 - Step 6: Final answer
x = 5,052,928.38
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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.