Finding the Fourth Proportional to 1,979,735.63, 2,732,035.17 and 1,074,317.63
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Solution
The fourth proportional to 1,979,735.63, 2,732,035.17 and 1,074,317.63 is: 1,482,558.33
Step by Step Solution
- Step 1: Write the proportion equation
1,979,735.63 : 2,732,035.17 = 1,074,317.63 : x - Step 2: Convert to fraction form
1,979,735.63/2,732,035.17 = 1,074,317.63/x - Step 3: Cross multiply
1,979,735.63x = 2,732,035.17 × 1,074,317.63 - Step 4: Simplify right side
1,979,735.63x = 2,935,073,535,250.87 - Step 5: Solve for x
x = 2,935,073,535,250.87/1,979,735.63 - Step 6: Final answer
x = 1,482,558.33
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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.