Finding the Fourth Proportional to 4,767,446.70, 7,151,390.37 and 1,572,852.06
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Solution
The fourth proportional to 4,767,446.70, 7,151,390.37 and 1,572,852.06 is: 2,359,350.78
Step by Step Solution
- Step 1: Write the proportion equation
4,767,446.70 : 7,151,390.37 = 1,572,852.06 : x - Step 2: Convert to fraction form
4,767,446.70/7,151,390.37 = 1,572,852.06/x - Step 3: Cross multiply
4,767,446.70x = 7,151,390.37 × 1,572,852.06 - Step 4: Simplify right side
4,767,446.70x = 11,248,079,075,318.66 - Step 5: Solve for x
x = 11,248,079,075,318.66/4,767,446.70 - Step 6: Final answer
x = 2,359,350.78
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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.