Finding the Fourth Proportional to 3,162,143.36, 4,363,752.84 and 1,711,838.36
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Solution
The fourth proportional to 3,162,143.36, 4,363,752.84 and 1,711,838.36 is: 2,362,334.23
Step by Step Solution
- Step 1: Write the proportion equation
3,162,143.36 : 4,363,752.84 = 1,711,838.36 : x - Step 2: Convert to fraction form
3,162,143.36/4,363,752.84 = 1,711,838.36/x - Step 3: Cross multiply
3,162,143.36x = 4,363,752.84 × 1,711,838.36 - Step 4: Simplify right side
3,162,143.36x = 7,470,039,505,070.94 - Step 5: Solve for x
x = 7,470,039,505,070.94/3,162,143.36 - Step 6: Final answer
x = 2,362,334.23
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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.