Finding the Fourth Proportional to 1,582,670.38, 2,182,879.99 and 1,362,282.73
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Solution
The fourth proportional to 1,582,670.38, 2,182,879.99 and 1,362,282.73 is: 1,878,912.85
Step by Step Solution
- Step 1: Write the proportion equation
1,582,670.38 : 2,182,879.99 = 1,362,282.73 : x - Step 2: Convert to fraction form
1,582,670.38/2,182,879.99 = 1,362,282.73/x - Step 3: Cross multiply
1,582,670.38x = 2,182,879.99 × 1,362,282.73 - Step 4: Simplify right side
1,582,670.38x = 2,973,699,712,039.57 - Step 5: Solve for x
x = 2,973,699,712,039.57/1,582,670.38 - Step 6: Final answer
x = 1,878,912.85
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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.