Finding the Fourth Proportional to 1,649,205.16, 2,474,654.19 and 785,618.09
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Solution
The fourth proportional to 1,649,205.16, 2,474,654.19 and 785,618.09 is: 1,178,830.35
Step by Step Solution
- Step 1: Write the proportion equation
1,649,205.16 : 2,474,654.19 = 785,618.09 : x - Step 2: Convert to fraction form
1,649,205.16/2,474,654.19 = 785,618.09/x - Step 3: Cross multiply
1,649,205.16x = 2,474,654.19 × 785,618.09 - Step 4: Simplify right side
1,649,205.16x = 1,944,133,092,118.91 - Step 5: Solve for x
x = 1,944,133,092,118.91/1,649,205.16 - Step 6: Final answer
x = 1,178,830.35
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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.