Finding the Fourth Proportional to 1,881,163.09, 2,596,012.50 and 1,021,737.70
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Solution
The fourth proportional to 1,881,163.09, 2,596,012.50 and 1,021,737.70 is: 1,410,002.06
Step by Step Solution
- Step 1: Write the proportion equation
1,881,163.09 : 2,596,012.50 = 1,021,737.70 : x - Step 2: Convert to fraction form
1,881,163.09/2,596,012.50 = 1,021,737.70/x - Step 3: Cross multiply
1,881,163.09x = 2,596,012.50 × 1,021,737.70 - Step 4: Simplify right side
1,881,163.09x = 2,652,443,840,921.25 - Step 5: Solve for x
x = 2,652,443,840,921.25/1,881,163.09 - Step 6: Final answer
x = 1,410,002.06
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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.