Finding the Fourth Proportional to 1,802,532.96, 2,487,785.18 and 1,028,416.32
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Solution
The fourth proportional to 1,802,532.96, 2,487,785.18 and 1,028,416.32 is: 1,419,379.80
Step by Step Solution
- Step 1: Write the proportion equation
1,802,532.96 : 2,487,785.18 = 1,028,416.32 : x - Step 2: Convert to fraction form
1,802,532.96/2,487,785.18 = 1,028,416.32/x - Step 3: Cross multiply
1,802,532.96x = 2,487,785.18 × 1,028,416.32 - Step 4: Simplify right side
1,802,532.96x = 2,558,478,874,624.06 - Step 5: Solve for x
x = 2,558,478,874,624.06/1,802,532.96 - Step 6: Final answer
x = 1,419,379.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.