Finding the Fourth Proportional to 2,785,173.06, 4,177,725.75 and 763,415.27
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Solution
The fourth proportional to 2,785,173.06, 4,177,725.75 and 763,415.27 is: 1,145,113.62
Step by Step Solution
- Step 1: Write the proportion equation
2,785,173.06 : 4,177,725.75 = 763,415.27 : x - Step 2: Convert to fraction form
2,785,173.06/4,177,725.75 = 763,415.27/x - Step 3: Cross multiply
2,785,173.06x = 4,177,725.75 × 763,415.27 - Step 4: Simplify right side
2,785,173.06x = 3,189,339,610,533.57 - Step 5: Solve for x
x = 3,189,339,610,533.57/2,785,173.06 - Step 6: Final answer
x = 1,145,113.62
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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.