Finding the Fourth Proportional to 1,782,560.13, 2,459,937.02 and 1,018,611.87
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Solution
The fourth proportional to 1,782,560.13, 2,459,937.02 and 1,018,611.87 is: 1,405,686.69
Step by Step Solution
- Step 1: Write the proportion equation
1,782,560.13 : 2,459,937.02 = 1,018,611.87 : x - Step 2: Convert to fraction form
1,782,560.13/2,459,937.02 = 1,018,611.87/x - Step 3: Cross multiply
1,782,560.13x = 2,459,937.02 × 1,018,611.87 - Step 4: Simplify right side
1,782,560.13x = 2,505,721,048,024.43 - Step 5: Solve for x
x = 2,505,721,048,024.43/1,782,560.13 - Step 6: Final answer
x = 1,405,686.69
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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.