Finding the Fourth Proportional to 1,429,463.97, 1,972,724.63 and 856,491.84
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Solution
The fourth proportional to 1,429,463.97, 1,972,724.63 and 856,491.84 is: 1,181,997.29
Step by Step Solution
- Step 1: Write the proportion equation
1,429,463.97 : 1,972,724.63 = 856,491.84 : x - Step 2: Convert to fraction form
1,429,463.97/1,972,724.63 = 856,491.84/x - Step 3: Cross multiply
1,429,463.97x = 1,972,724.63 × 856,491.84 - Step 4: Simplify right side
1,429,463.97x = 1,689,622,543,879.56 - Step 5: Solve for x
x = 1,689,622,543,879.56/1,429,463.97 - Step 6: Final answer
x = 1,181,997.29
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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.