Finding the Fourth Proportional to 3,350,565.18, 4,612,106.88 and 2,920,105.26
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Solution
The fourth proportional to 3,350,565.18, 4,612,106.88 and 2,920,105.26 is: 4,019,571.87
Step by Step Solution
- Step 1: Write the proportion equation
3,350,565.18 : 4,612,106.88 = 2,920,105.26 : x - Step 2: Convert to fraction form
3,350,565.18/4,612,106.88 = 2,920,105.26/x - Step 3: Cross multiply
3,350,565.18x = 4,612,106.88 × 2,920,105.26 - Step 4: Simplify right side
3,350,565.18x = 13,467,837,559,970.19 - Step 5: Solve for x
x = 13,467,837,559,970.19/3,350,565.18 - Step 6: Final answer
x = 4,019,571.87
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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.