Finding the Fourth Proportional to 5,024,531.40, 7,535,664.66 and 1,430,218.68
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Solution
The fourth proportional to 5,024,531.40, 7,535,664.66 and 1,430,218.68 is: 2,145,005.67
Step by Step Solution
- Step 1: Write the proportion equation
5,024,531.40 : 7,535,664.66 = 1,430,218.68 : x - Step 2: Convert to fraction form
5,024,531.40/7,535,664.66 = 1,430,218.68/x - Step 3: Cross multiply
5,024,531.40x = 7,535,664.66 × 1,430,218.68 - Step 4: Simplify right side
5,024,531.40x = 10,777,648,362,947.85 - Step 5: Solve for x
x = 10,777,648,362,947.85/5,024,531.40 - Step 6: Final answer
x = 2,145,005.67
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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.