Finding the Fourth Proportional to 2,123,019.08, 2,929,633.62 and 1,169,163.08
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Solution
The fourth proportional to 2,123,019.08, 2,929,633.62 and 1,169,163.08 is: 1,613,371.97
Step by Step Solution
- Step 1: Write the proportion equation
2,123,019.08 : 2,929,633.62 = 1,169,163.08 : x - Step 2: Convert to fraction form
2,123,019.08/2,929,633.62 = 1,169,163.08/x - Step 3: Cross multiply
2,123,019.08x = 2,929,633.62 × 1,169,163.08 - Step 4: Simplify right side
2,123,019.08x = 3,425,219,466,430.75 - Step 5: Solve for x
x = 3,425,219,466,430.75/2,123,019.08 - Step 6: Final answer
x = 1,613,371.97
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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.