Finding the Fourth Proportional to 2,051,564.68, 2,831,072.07 and 1,133,828.20
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Solution
The fourth proportional to 2,051,564.68, 2,831,072.07 and 1,133,828.20 is: 1,564,634.73
Step by Step Solution
- Step 1: Write the proportion equation
2,051,564.68 : 2,831,072.07 = 1,133,828.20 : x - Step 2: Convert to fraction form
2,051,564.68/2,831,072.07 = 1,133,828.20/x - Step 3: Cross multiply
2,051,564.68x = 2,831,072.07 × 1,133,828.20 - Step 4: Simplify right side
2,051,564.68x = 3,209,949,349,198.37 - Step 5: Solve for x
x = 3,209,949,349,198.37/2,051,564.68 - Step 6: Final answer
x = 1,564,634.73
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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.