Finding the Fourth Proportional to 1,665,740.18, 2,297,532.44 and 1,149,689.18
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Solution
The fourth proportional to 1,665,740.18, 2,297,532.44 and 1,149,689.18 is: 1,585,750.41
Step by Step Solution
- Step 1: Write the proportion equation
1,665,740.18 : 2,297,532.44 = 1,149,689.18 : x - Step 2: Convert to fraction form
1,665,740.18/2,297,532.44 = 1,149,689.18/x - Step 3: Cross multiply
1,665,740.18x = 2,297,532.44 × 1,149,689.18 - Step 4: Simplify right side
1,665,740.18x = 2,641,448,169,730.89 - Step 5: Solve for x
x = 2,641,448,169,730.89/1,665,740.18 - Step 6: Final answer
x = 1,585,750.41
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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.