Finding the Fourth Proportional to 1,785,828.42, 2,678,735.34 and 648,588.42
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Solution
The fourth proportional to 1,785,828.42, 2,678,735.34 and 648,588.42 is: 972,879.98
Step by Step Solution
- Step 1: Write the proportion equation
1,785,828.42 : 2,678,735.34 = 648,588.42 : x - Step 2: Convert to fraction form
1,785,828.42/2,678,735.34 = 648,588.42/x - Step 3: Cross multiply
1,785,828.42x = 2,678,735.34 × 648,588.42 - Step 4: Simplify right side
1,785,828.42x = 1,737,396,721,768.76 - Step 5: Solve for x
x = 1,737,396,721,768.76/1,785,828.42 - Step 6: Final answer
x = 972,879.98
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1.5x scale
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.