Finding the Fourth Proportional to 1,566,121.05, 2,187,845.55 and 1,566,121.05
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Solution
The fourth proportional to 1,566,121.05, 2,187,845.55 and 1,566,121.05 is: 2,187,845.55
Step by Step Solution
- Step 1: Write the proportion equation
1,566,121.05 : 2,187,845.55 = 1,566,121.05 : x - Step 2: Convert to fraction form
1,566,121.05/2,187,845.55 = 1,566,121.05/x - Step 3: Cross multiply
1,566,121.05x = 2,187,845.55 × 1,566,121.05 - Step 4: Simplify right side
1,566,121.05x = 3,426,430,970,003.83 - Step 5: Solve for x
x = 3,426,430,970,003.83/1,566,121.05 - Step 6: Final answer
x = 2,187,845.55
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.