Finding the Fourth Proportional to 1,455,745.70, 2,183,618.55 and 509,212.10
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Solution
The fourth proportional to 1,455,745.70, 2,183,618.55 and 509,212.10 is: 763,818.15
Step by Step Solution
- Step 1: Write the proportion equation
1,455,745.70 : 2,183,618.55 = 509,212.10 : x - Step 2: Convert to fraction form
1,455,745.70/2,183,618.55 = 509,212.10/x - Step 3: Cross multiply
1,455,745.70x = 2,183,618.55 × 509,212.10 - Step 4: Simplify right side
1,455,745.70x = 1,111,924,987,444.45 - Step 5: Solve for x
x = 1,111,924,987,444.45/1,455,745.70 - Step 6: Final answer
x = 763,818.15
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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.