Finding the Fourth Proportional to 6,854,476.32, 10,279,342.80 and 2,809,815.84
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Solution
The fourth proportional to 6,854,476.32, 10,279,342.80 and 2,809,815.84 is: 4,213,751.55
Step by Step Solution
- Step 1: Write the proportion equation
6,854,476.32 : 10,279,342.80 = 2,809,815.84 : x - Step 2: Convert to fraction form
6,854,476.32/10,279,342.80 = 2,809,815.84/x - Step 3: Cross multiply
6,854,476.32x = 10,279,342.80 × 2,809,815.84 - Step 4: Simplify right side
6,854,476.32x = 28,883,060,224,229.95 - Step 5: Solve for x
x = 28,883,060,224,229.95/6,854,476.32 - Step 6: Final answer
x = 4,213,751.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.