Finding the Fourth Proportional to 1,690,014.75, 2,332,220.36 and 974,622.75
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Solution
The fourth proportional to 1,690,014.75, 2,332,220.36 and 974,622.75 is: 1,344,979.40
Step by Step Solution
- Step 1: Write the proportion equation
1,690,014.75 : 2,332,220.36 = 974,622.75 : x - Step 2: Convert to fraction form
1,690,014.75/2,332,220.36 = 974,622.75/x - Step 3: Cross multiply
1,690,014.75x = 2,332,220.36 × 974,622.75 - Step 4: Simplify right side
1,690,014.75x = 2,273,035,015,996.08 - Step 5: Solve for x
x = 2,273,035,015,996.08/1,690,014.75 - Step 6: Final answer
x = 1,344,979.40
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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.