Finding the Fourth Proportional to 3,424,555.22, 4,725,874.41 and 1,974,243.74
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Solution
The fourth proportional to 3,424,555.22, 4,725,874.41 and 1,974,243.74 is: 2,724,449.56
Step by Step Solution
- Step 1: Write the proportion equation
3,424,555.22 : 4,725,874.41 = 1,974,243.74 : x - Step 2: Convert to fraction form
3,424,555.22/4,725,874.41 = 1,974,243.74/x - Step 3: Cross multiply
3,424,555.22x = 4,725,874.41 × 1,974,243.74 - Step 4: Simplify right side
3,424,555.22x = 9,330,027,969,968.69 - Step 5: Solve for x
x = 9,330,027,969,968.69/3,424,555.22 - Step 6: Final answer
x = 2,724,449.56
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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.