Finding the Fourth Proportional to 5,562,245.80, 8,343,368.70 and 1,776,005.80
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Solution
The fourth proportional to 5,562,245.80, 8,343,368.70 and 1,776,005.80 is: 2,664,008.70
Step by Step Solution
- Step 1: Write the proportion equation
5,562,245.80 : 8,343,368.70 = 1,776,005.80 : x - Step 2: Convert to fraction form
5,562,245.80/8,343,368.70 = 1,776,005.80/x - Step 3: Cross multiply
5,562,245.80x = 8,343,368.70 × 1,776,005.80 - Step 4: Simplify right side
5,562,245.80x = 14,817,871,202,738.46 - Step 5: Solve for x
x = 14,817,871,202,738.46/5,562,245.80 - Step 6: Final answer
x = 2,664,008.70
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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.