Finding the Fourth Proportional to 1,919,941.12, 2,649,467.94 and 1,060,482.88
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Solution
The fourth proportional to 1,919,941.12, 2,649,467.94 and 1,060,482.88 is: 1,463,438.31
Step by Step Solution
- Step 1: Write the proportion equation
1,919,941.12 : 2,649,467.94 = 1,060,482.88 : x - Step 2: Convert to fraction form
1,919,941.12/2,649,467.94 = 1,060,482.88/x - Step 3: Cross multiply
1,919,941.12x = 2,649,467.94 × 1,060,482.88 - Step 4: Simplify right side
1,919,941.12x = 2,809,715,391,478.87 - Step 5: Solve for x
x = 2,809,715,391,478.87/1,919,941.12 - Step 6: Final answer
x = 1,463,438.31
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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.