Finding the Fourth Proportional to 1,919,940.87, 2,649,467.60 and 1,060,482.63
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Solution
The fourth proportional to 1,919,940.87, 2,649,467.60 and 1,060,482.63 is: 1,463,437.97
Step by Step Solution
- Step 1: Write the proportion equation
1,919,940.87 : 2,649,467.60 = 1,060,482.63 : x - Step 2: Convert to fraction form
1,919,940.87/2,649,467.60 = 1,060,482.63/x - Step 3: Cross multiply
1,919,940.87x = 2,649,467.60 × 1,060,482.63 - Step 4: Simplify right side
1,919,940.87x = 2,809,714,363,245.38 - Step 5: Solve for x
x = 2,809,714,363,245.38/1,919,940.87 - Step 6: Final answer
x = 1,463,437.97
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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.