Finding the Fourth Proportional to 1,526,509.05, 2,290,027.50 and 515,638.36
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Solution
The fourth proportional to 1,526,509.05, 2,290,027.50 and 515,638.36 is: 773,546.69
Step by Step Solution
- Step 1: Write the proportion equation
1,526,509.05 : 2,290,027.50 = 515,638.36 : x - Step 2: Convert to fraction form
1,526,509.05/2,290,027.50 = 515,638.36/x - Step 3: Cross multiply
1,526,509.05x = 2,290,027.50 × 515,638.36 - Step 4: Simplify right side
1,526,509.05x = 1,180,826,021,876.71 - Step 5: Solve for x
x = 1,180,826,021,876.71/1,526,509.05 - Step 6: Final answer
x = 773,546.69
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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.