Finding the Fourth Proportional to 2,057,637.96, 2,839,539.87 and 1,139,926.68
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Solution
The fourth proportional to 2,057,637.96, 2,839,539.87 and 1,139,926.68 is: 1,573,098.53
Step by Step Solution
- Step 1: Write the proportion equation
2,057,637.96 : 2,839,539.87 = 1,139,926.68 : x - Step 2: Convert to fraction form
2,057,637.96/2,839,539.87 = 1,139,926.68/x - Step 3: Cross multiply
2,057,637.96x = 2,839,539.87 × 1,139,926.68 - Step 4: Simplify right side
2,057,637.96x = 3,236,867,256,736.73 - Step 5: Solve for x
x = 3,236,867,256,736.73/2,057,637.96 - Step 6: Final answer
x = 1,573,098.53
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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.