Finding the Fourth Proportional to 1,982,403.50, 2,735,663.68 and 1,166,655.24
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Solution
The fourth proportional to 1,982,403.50, 2,735,663.68 and 1,166,655.24 is: 1,609,952.95
Step by Step Solution
- Step 1: Write the proportion equation
1,982,403.50 : 2,735,663.68 = 1,166,655.24 : x - Step 2: Convert to fraction form
1,982,403.50/2,735,663.68 = 1,166,655.24/x - Step 3: Cross multiply
1,982,403.50x = 2,735,663.68 × 1,166,655.24 - Step 4: Simplify right side
1,982,403.50x = 3,191,576,364,233.05 - Step 5: Solve for x
x = 3,191,576,364,233.05/1,982,403.50 - Step 6: Final answer
x = 1,609,952.95
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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.