Finding the Fourth Proportional to 7,107,659.62, 10,661,480.79 and 2,315,341.06
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Solution
The fourth proportional to 7,107,659.62, 10,661,480.79 and 2,315,341.06 is: 3,473,008.78
Step by Step Solution
- Step 1: Write the proportion equation
7,107,659.62 : 10,661,480.79 = 2,315,341.06 : x - Step 2: Convert to fraction form
7,107,659.62/10,661,480.79 = 2,315,341.06/x - Step 3: Cross multiply
7,107,659.62x = 10,661,480.79 × 2,315,341.06 - Step 4: Simplify right side
7,107,659.62x = 24,684,964,233,488.23 - Step 5: Solve for x
x = 24,684,964,233,488.23/7,107,659.62 - Step 6: Final answer
x = 3,473,008.78
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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.