Finding the Fourth Proportional to 1,640,528.70, 2,460,793.05 and 1,241,947.95
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Solution
The fourth proportional to 1,640,528.70, 2,460,793.05 and 1,241,947.95 is: 1,862,921.93
Step by Step Solution
- Step 1: Write the proportion equation
1,640,528.70 : 2,460,793.05 = 1,241,947.95 : x - Step 2: Convert to fraction form
1,640,528.70/2,460,793.05 = 1,241,947.95/x - Step 3: Cross multiply
1,640,528.70x = 2,460,793.05 × 1,241,947.95 - Step 4: Simplify right side
1,640,528.70x = 3,056,176,883,821.75 - Step 5: Solve for x
x = 3,056,176,883,821.75/1,640,528.70 - Step 6: Final answer
x = 1,862,921.93
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.