Finding the Fourth Proportional to 1,903,945.84, 2,627,832.02 and 1,292,295.70
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Solution
The fourth proportional to 1,903,945.84, 2,627,832.02 and 1,292,295.70 is: 1,783,630.57
Step by Step Solution
- Step 1: Write the proportion equation
1,903,945.84 : 2,627,832.02 = 1,292,295.70 : x - Step 2: Convert to fraction form
1,903,945.84/2,627,832.02 = 1,292,295.70/x - Step 3: Cross multiply
1,903,945.84x = 2,627,832.02 × 1,292,295.70 - Step 4: Simplify right side
1,903,945.84x = 3,395,936,006,737.26 - Step 5: Solve for x
x = 3,395,936,006,737.26/1,903,945.84 - Step 6: Final answer
x = 1,783,630.57
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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.