Finding the Fourth Proportional to 1,321,028.01, 1,823,027.99 and 717,416.01
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Solution
The fourth proportional to 1,321,028.01, 1,823,027.99 and 717,416.01 is: 990,039.16
Step by Step Solution
- Step 1: Write the proportion equation
1,321,028.01 : 1,823,027.99 = 717,416.01 : x - Step 2: Convert to fraction form
1,321,028.01/1,823,027.99 = 717,416.01/x - Step 3: Cross multiply
1,321,028.01x = 1,823,027.99 × 717,416.01 - Step 4: Simplify right side
1,321,028.01x = 1,307,869,463,117.04 - Step 5: Solve for x
x = 1,307,869,463,117.04/1,321,028.01 - Step 6: Final answer
x = 990,039.16
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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.