Finding the Fourth Proportional to 2,840,247.30, 3,919,555.66 and 1,551,087.66
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Solution
The fourth proportional to 2,840,247.30, 3,919,555.66 and 1,551,087.66 is: 2,140,508.83
Step by Step Solution
- Step 1: Write the proportion equation
2,840,247.30 : 3,919,555.66 = 1,551,087.66 : x - Step 2: Convert to fraction form
2,840,247.30/3,919,555.66 = 1,551,087.66/x - Step 3: Cross multiply
2,840,247.30x = 3,919,555.66 × 1,551,087.66 - Step 4: Simplify right side
2,840,247.30x = 6,079,574,416,909.16 - Step 5: Solve for x
x = 6,079,574,416,909.16/2,840,247.30 - Step 6: Final answer
x = 2,140,508.83
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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.