Finding the Fourth Proportional to 1,543,903.59, 2,130,591.97 and 855,586.80
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Solution
The fourth proportional to 1,543,903.59, 2,130,591.97 and 855,586.80 is: 1,180,712.57
Step by Step Solution
- Step 1: Write the proportion equation
1,543,903.59 : 2,130,591.97 = 855,586.80 : x - Step 2: Convert to fraction form
1,543,903.59/2,130,591.97 = 855,586.80/x - Step 3: Cross multiply
1,543,903.59x = 2,130,591.97 × 855,586.80 - Step 4: Simplify right side
1,543,903.59x = 1,822,906,366,787.48 - Step 5: Solve for x
x = 1,822,906,366,787.48/1,543,903.59 - Step 6: Final answer
x = 1,180,712.57
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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.