Finding the Fourth Proportional to 3,435,871.31, 5,149,323.62 and 1,919,492.99
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Solution
The fourth proportional to 3,435,871.31, 5,149,323.62 and 1,919,492.99 is: 2,876,734.81
Step by Step Solution
- Step 1: Write the proportion equation
3,435,871.31 : 5,149,323.62 = 1,919,492.99 : x - Step 2: Convert to fraction form
3,435,871.31/5,149,323.62 = 1,919,492.99/x - Step 3: Cross multiply
3,435,871.31x = 5,149,323.62 × 1,919,492.99 - Step 4: Simplify right side
3,435,871.31x = 9,884,090,595,107.27 - Step 5: Solve for x
x = 9,884,090,595,107.27/3,435,871.31 - Step 6: Final answer
x = 2,876,734.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.