Finding the Fourth Proportional to 1,554,889.86, 2,145,715.68 and 866,624.58
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Solution
The fourth proportional to 1,554,889.86, 2,145,715.68 and 866,624.58 is: 1,195,923.90
Step by Step Solution
- Step 1: Write the proportion equation
1,554,889.86 : 2,145,715.68 = 866,624.58 : x - Step 2: Convert to fraction form
1,554,889.86/2,145,715.68 = 866,624.58/x - Step 3: Cross multiply
1,554,889.86x = 2,145,715.68 × 866,624.58 - Step 4: Simplify right side
1,554,889.86x = 1,859,529,949,979.41 - Step 5: Solve for x
x = 1,859,529,949,979.41/1,554,889.86 - Step 6: Final answer
x = 1,195,923.90
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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.