Finding the Fourth Proportional to 3,813,192.06, 5,260,924.74 and 2,159,113.54
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Solution
The fourth proportional to 3,813,192.06, 5,260,924.74 and 2,159,113.54 is: 2,978,851.75
Step by Step Solution
- Step 1: Write the proportion equation
3,813,192.06 : 5,260,924.74 = 2,159,113.54 : x - Step 2: Convert to fraction form
3,813,192.06/5,260,924.74 = 2,159,113.54/x - Step 3: Cross multiply
3,813,192.06x = 5,260,924.74 × 2,159,113.54 - Step 4: Simplify right side
3,813,192.06x = 11,358,933,839,054.98 - Step 5: Solve for x
x = 11,358,933,839,054.98/3,813,192.06 - Step 6: Final answer
x = 2,978,851.75
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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.