Finding the Fourth Proportional to 1,409,749.67, 2,114,624.51 and 344,779.09
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Solution
The fourth proportional to 1,409,749.67, 2,114,624.51 and 344,779.09 is: 517,168.63
Step by Step Solution
- Step 1: Write the proportion equation
1,409,749.67 : 2,114,624.51 = 344,779.09 : x - Step 2: Convert to fraction form
1,409,749.67/2,114,624.51 = 344,779.09/x - Step 3: Cross multiply
1,409,749.67x = 2,114,624.51 × 344,779.09 - Step 4: Simplify right side
1,409,749.67x = 729,078,301,952.48 - Step 5: Solve for x
x = 729,078,301,952.48/1,409,749.67 - Step 6: Final answer
x = 517,168.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.