Finding the Fourth Proportional to 2,214,639.36, 3,321,643.68 and 698,125.44
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Solution
The fourth proportional to 2,214,639.36, 3,321,643.68 and 698,125.44 is: 1,047,088.75
Step by Step Solution
- Step 1: Write the proportion equation
2,214,639.36 : 3,321,643.68 = 698,125.44 : x - Step 2: Convert to fraction form
2,214,639.36/3,321,643.68 = 698,125.44/x - Step 3: Cross multiply
2,214,639.36x = 3,321,643.68 × 698,125.44 - Step 4: Simplify right side
2,214,639.36x = 2,318,923,955,623.22 - Step 5: Solve for x
x = 2,318,923,955,623.22/2,214,639.36 - Step 6: Final answer
x = 1,047,088.75
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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.