Finding the Fourth Proportional to 1,686,305.96, 2,529,463.26 and 689,033.96
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Solution
The fourth proportional to 1,686,305.96, 2,529,463.26 and 689,033.96 is: 1,033,552.71
Step by Step Solution
- Step 1: Write the proportion equation
1,686,305.96 : 2,529,463.26 = 689,033.96 : x - Step 2: Convert to fraction form
1,686,305.96/2,529,463.26 = 689,033.96/x - Step 3: Cross multiply
1,686,305.96x = 2,529,463.26 × 689,033.96 - Step 4: Simplify right side
1,686,305.96x = 1,742,886,086,712.31 - Step 5: Solve for x
x = 1,742,886,086,712.31/1,686,305.96 - Step 6: Final answer
x = 1,033,552.71
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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.