Finding the Fourth Proportional to 1,567,351.38, 2,351,029.68 and 430,129.20
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Solution
The fourth proportional to 1,567,351.38, 2,351,029.68 and 430,129.20 is: 645,194.52
Step by Step Solution
- Step 1: Write the proportion equation
1,567,351.38 : 2,351,029.68 = 430,129.20 : x - Step 2: Convert to fraction form
1,567,351.38/2,351,029.68 = 430,129.20/x - Step 3: Cross multiply
1,567,351.38x = 2,351,029.68 × 430,129.20 - Step 4: Simplify right side
1,567,351.38x = 1,011,246,515,434.66 - Step 5: Solve for x
x = 1,011,246,515,434.66/1,567,351.38 - Step 6: Final answer
x = 645,194.52
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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.