Finding the Fourth Proportional to 2,080,233.72, 2,869,867.65 and 1,264,305.96
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Solution
The fourth proportional to 2,080,233.72, 2,869,867.65 and 1,264,305.96 is: 1,744,222.65
Step by Step Solution
- Step 1: Write the proportion equation
2,080,233.72 : 2,869,867.65 = 1,264,305.96 : x - Step 2: Convert to fraction form
2,080,233.72/2,869,867.65 = 1,264,305.96/x - Step 3: Cross multiply
2,080,233.72x = 2,869,867.65 × 1,264,305.96 - Step 4: Simplify right side
2,080,233.72x = 3,628,390,774,306.19 - Step 5: Solve for x
x = 3,628,390,774,306.19/2,080,233.72 - Step 6: Final answer
x = 1,744,222.65
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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.