Finding the Fourth Proportional to 2,943,948.20, 4,414,113.86 and 1,144,734.44
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Solution
The fourth proportional to 2,943,948.20, 4,414,113.86 and 1,144,734.44 is: 1,716,398.45
Step by Step Solution
- Step 1: Write the proportion equation
2,943,948.20 : 4,414,113.86 = 1,144,734.44 : x - Step 2: Convert to fraction form
2,943,948.20/4,414,113.86 = 1,144,734.44/x - Step 3: Cross multiply
2,943,948.20x = 4,414,113.86 × 1,144,734.44 - Step 4: Simplify right side
2,943,948.20x = 5,052,988,129,829.10 - Step 5: Solve for x
x = 5,052,988,129,829.10/2,943,948.20 - Step 6: Final answer
x = 1,716,398.45
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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.