Finding the Fourth Proportional to 4,868,782.36, 7,303,838.10 and 2,028,230.08
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Solution
The fourth proportional to 4,868,782.36, 7,303,838.10 and 2,028,230.08 is: 3,042,621.96
Step by Step Solution
- Step 1: Write the proportion equation
4,868,782.36 : 7,303,838.10 = 2,028,230.08 : x - Step 2: Convert to fraction form
4,868,782.36/7,303,838.10 = 2,028,230.08/x - Step 3: Cross multiply
4,868,782.36x = 7,303,838.10 × 2,028,230.08 - Step 4: Simplify right side
4,868,782.36x = 14,813,864,133,870.05 - Step 5: Solve for x
x = 14,813,864,133,870.05/4,868,782.36 - Step 6: Final answer
x = 3,042,621.96
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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.