Finding the Fourth Proportional to 5,456,780.49, 8,186,547.07 and 1,813,529.48
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Solution
The fourth proportional to 5,456,780.49, 8,186,547.07 and 1,813,529.48 is: 2,720,751.64
Step by Step Solution
- Step 1: Write the proportion equation
5,456,780.49 : 8,186,547.07 = 1,813,529.48 : x - Step 2: Convert to fraction form
5,456,780.49/8,186,547.07 = 1,813,529.48/x - Step 3: Cross multiply
5,456,780.49x = 8,186,547.07 × 1,813,529.48 - Step 4: Simplify right side
5,456,780.49x = 14,846,544,450,852.62 - Step 5: Solve for x
x = 14,846,544,450,852.62/5,456,780.49 - Step 6: Final answer
x = 2,720,751.64
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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.