Finding the Fourth Proportional to 2,205,424.26, 3,305,656.86 and 1,122,898.23
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Solution
The fourth proportional to 2,205,424.26, 3,305,656.86 and 1,122,898.23 is: 1,683,084.89
Step by Step Solution
- Step 1: Write the proportion equation
2,205,424.26 : 3,305,656.86 = 1,122,898.23 : x - Step 2: Convert to fraction form
2,205,424.26/3,305,656.86 = 1,122,898.23/x - Step 3: Cross multiply
2,205,424.26x = 3,305,656.86 × 1,122,898.23 - Step 4: Simplify right side
2,205,424.26x = 3,711,916,237,081.36 - Step 5: Solve for x
x = 3,711,916,237,081.36/2,205,424.26 - Step 6: Final answer
x = 1,683,084.89
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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.