Finding the Fourth Proportional to 1,785,134.21, 2,673,129.67 and 985,528.13
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Solution
The fourth proportional to 1,785,134.21, 2,673,129.67 and 985,528.13 is: 1,475,768.30
Step by Step Solution
- Step 1: Write the proportion equation
1,785,134.21 : 2,673,129.67 = 985,528.13 : x - Step 2: Convert to fraction form
1,785,134.21/2,673,129.67 = 985,528.13/x - Step 3: Cross multiply
1,785,134.21x = 2,673,129.67 × 985,528.13 - Step 4: Simplify right side
1,785,134.21x = 2,634,444,484,922.62 - Step 5: Solve for x
x = 2,634,444,484,922.62/1,785,134.21 - Step 6: Final answer
x = 1,475,768.30
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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.