Finding the Fourth Proportional to 6,970,740.48, 9,619,659.99 and 3,914,954.82
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Solution
The fourth proportional to 6,970,740.48, 9,619,659.99 and 3,914,954.82 is: 5,402,659.07
Step by Step Solution
- Step 1: Write the proportion equation
6,970,740.48 : 9,619,659.99 = 3,914,954.82 : x - Step 2: Convert to fraction form
6,970,740.48/9,619,659.99 = 3,914,954.82/x - Step 3: Cross multiply
6,970,740.48x = 9,619,659.99 × 3,914,954.82 - Step 4: Simplify right side
6,970,740.48x = 37,660,534,244,611.65 - Step 5: Solve for x
x = 37,660,534,244,611.65/6,970,740.48 - Step 6: Final answer
x = 5,402,659.07
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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.