Finding the Fourth Proportional to 1,919,944.34, 2,649,472.44 and 1,060,486.14
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Solution
The fourth proportional to 1,919,944.34, 2,649,472.44 and 1,060,486.14 is: 1,463,442.84
Step by Step Solution
- Step 1: Write the proportion equation
1,919,944.34 : 2,649,472.44 = 1,060,486.14 : x - Step 2: Convert to fraction form
1,919,944.34/2,649,472.44 = 1,060,486.14/x - Step 3: Cross multiply
1,919,944.34x = 2,649,472.44 × 1,060,486.14 - Step 4: Simplify right side
1,919,944.34x = 2,809,728,800,931.98 - Step 5: Solve for x
x = 2,809,728,800,931.98/1,919,944.34 - Step 6: Final answer
x = 1,463,442.84
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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.