Finding the Fourth Proportional to 1,370,951.40, 2,056,847.49 and 613,430.49
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Solution
The fourth proportional to 1,370,951.40, 2,056,847.49 and 613,430.49 is: 920,333.84
Step by Step Solution
- Step 1: Write the proportion equation
1,370,951.40 : 2,056,847.49 = 613,430.49 : x - Step 2: Convert to fraction form
1,370,951.40/2,056,847.49 = 613,430.49/x - Step 3: Cross multiply
1,370,951.40x = 2,056,847.49 × 613,430.49 - Step 4: Simplify right side
1,370,951.40x = 1,261,732,963,645.97 - Step 5: Solve for x
x = 1,261,732,963,645.97/1,370,951.40 - Step 6: Final answer
x = 920,333.84
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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.