Finding the Fourth Proportional to 2,079,227.64, 2,869,028.76 and 1,161,343.68
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Solution
The fourth proportional to 2,079,227.64, 2,869,028.76 and 1,161,343.68 is: 1,602,483.71
Step by Step Solution
- Step 1: Write the proportion equation
2,079,227.64 : 2,869,028.76 = 1,161,343.68 : x - Step 2: Convert to fraction form
2,079,227.64/2,869,028.76 = 1,161,343.68/x - Step 3: Cross multiply
2,079,227.64x = 2,869,028.76 × 1,161,343.68 - Step 4: Simplify right side
2,079,227.64x = 3,331,928,418,164.24 - Step 5: Solve for x
x = 3,331,928,418,164.24/2,079,227.64 - Step 6: Final answer
x = 1,602,483.71
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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.