Finding the Fourth Proportional to 1,745,890.88, 2,409,305.68 and 981,944.24
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Solution
The fourth proportional to 1,745,890.88, 2,409,305.68 and 981,944.24 is: 1,355,069.70
Step by Step Solution
- Step 1: Write the proportion equation
1,745,890.88 : 2,409,305.68 = 981,944.24 : x - Step 2: Convert to fraction form
1,745,890.88/2,409,305.68 = 981,944.24/x - Step 3: Cross multiply
1,745,890.88x = 2,409,305.68 × 981,944.24 - Step 4: Simplify right side
1,745,890.88x = 2,365,803,834,875.28 - Step 5: Solve for x
x = 2,365,803,834,875.28/1,745,890.88 - Step 6: Final answer
x = 1,355,069.70
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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.