Finding the Fourth Proportional to 1,586,723.67, 2,189,370.69 and 942,345.99
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Solution
The fourth proportional to 1,586,723.67, 2,189,370.69 and 942,345.99 is: 1,300,254.56
Step by Step Solution
- Step 1: Write the proportion equation
1,586,723.67 : 2,189,370.69 = 942,345.99 : x - Step 2: Convert to fraction form
1,586,723.67/2,189,370.69 = 942,345.99/x - Step 3: Cross multiply
1,586,723.67x = 2,189,370.69 × 942,345.99 - Step 4: Simplify right side
1,586,723.67x = 2,063,144,690,345.03 - Step 5: Solve for x
x = 2,063,144,690,345.03/1,586,723.67 - Step 6: Final answer
x = 1,300,254.56
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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.