Finding the Fourth Proportional to 2,570,628.09, 3,545,398.27 and 2,259,866.23
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Solution
The fourth proportional to 2,570,628.09, 3,545,398.27 and 2,259,866.23 is: 3,116,796.96
Step by Step Solution
- Step 1: Write the proportion equation
2,570,628.09 : 3,545,398.27 = 2,259,866.23 : x - Step 2: Convert to fraction form
2,570,628.09/3,545,398.27 = 2,259,866.23/x - Step 3: Cross multiply
2,570,628.09x = 3,545,398.27 × 2,259,866.23 - Step 4: Simplify right side
2,570,628.09x = 8,012,125,822,273.42 - Step 5: Solve for x
x = 8,012,125,822,273.42/2,570,628.09 - Step 6: Final answer
x = 3,116,796.96
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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.