Finding the Fourth Proportional to 1,628,118.23, 2,442,293.93 and 430,028.60
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Solution
The fourth proportional to 1,628,118.23, 2,442,293.93 and 430,028.60 is: 645,073.69
Step by Step Solution
- Step 1: Write the proportion equation
1,628,118.23 : 2,442,293.93 = 430,028.60 : x - Step 2: Convert to fraction form
1,628,118.23/2,442,293.93 = 430,028.60/x - Step 3: Cross multiply
1,628,118.23x = 2,442,293.93 × 430,028.60 - Step 4: Simplify right side
1,628,118.23x = 1,050,256,228,370.00 - Step 5: Solve for x
x = 1,050,256,228,370.00/1,628,118.23 - Step 6: Final answer
x = 645,073.69
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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.