Finding the Fourth Proportional to 3,661,809.84, 5,053,595.40 and 2,030,379.12
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Solution
The fourth proportional to 3,661,809.84, 5,053,595.40 and 2,030,379.12 is: 2,802,088.32
Step by Step Solution
- Step 1: Write the proportion equation
3,661,809.84 : 5,053,595.40 = 2,030,379.12 : x - Step 2: Convert to fraction form
3,661,809.84/5,053,595.40 = 2,030,379.12/x - Step 3: Cross multiply
3,661,809.84x = 5,053,595.40 × 2,030,379.12 - Step 4: Simplify right side
3,661,809.84x = 10,260,714,581,088.05 - Step 5: Solve for x
x = 10,260,714,581,088.05/3,661,809.84 - Step 6: Final answer
x = 2,802,088.32
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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.