Finding the Fourth Proportional to 4,223,021.76, 6,334,545.12 and 1,028,147.52
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Solution
The fourth proportional to 4,223,021.76, 6,334,545.12 and 1,028,147.52 is: 1,542,224.32
Step by Step Solution
- Step 1: Write the proportion equation
4,223,021.76 : 6,334,545.12 = 1,028,147.52 : x - Step 2: Convert to fraction form
4,223,021.76/6,334,545.12 = 1,028,147.52/x - Step 3: Cross multiply
4,223,021.76x = 6,334,545.12 × 1,028,147.52 - Step 4: Simplify right side
4,223,021.76x = 6,512,846,855,456.10 - Step 5: Solve for x
x = 6,512,846,855,456.10/4,223,021.76 - Step 6: Final answer
x = 1,542,224.32
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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.