Finding the Fourth Proportional to 7,255,909.26, 10,885,438.40 and 2,207,088.54
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Solution
The fourth proportional to 7,255,909.26, 10,885,438.40 and 2,207,088.54 is: 3,311,111.74
Step by Step Solution
- Step 1: Write the proportion equation
7,255,909.26 : 10,885,438.40 = 2,207,088.54 : x - Step 2: Convert to fraction form
7,255,909.26/10,885,438.40 = 2,207,088.54/x - Step 3: Cross multiply
7,255,909.26x = 10,885,438.40 × 2,207,088.54 - Step 4: Simplify right side
7,255,909.26x = 24,025,126,334,480.49 - Step 5: Solve for x
x = 24,025,126,334,480.49/7,255,909.26 - Step 6: Final answer
x = 3,311,111.74
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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.