Finding the Fourth Proportional to 4,330,828.80, 6,496,243.20 and 3,113,107.20
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Solution
The fourth proportional to 4,330,828.80, 6,496,243.20 and 3,113,107.20 is: 4,669,660.80
Step by Step Solution
- Step 1: Write the proportion equation
4,330,828.80 : 6,496,243.20 = 3,113,107.20 : x - Step 2: Convert to fraction form
4,330,828.80/6,496,243.20 = 3,113,107.20/x - Step 3: Cross multiply
4,330,828.80x = 6,496,243.20 × 3,113,107.20 - Step 4: Simplify right side
4,330,828.80x = 20,223,501,478,871.04 - Step 5: Solve for x
x = 20,223,501,478,871.04/4,330,828.80 - Step 6: Final answer
x = 4,669,660.80
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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.