Finding the Fourth Proportional to 4,856,412.20, 7,289,024.70 and 2,461,922.60
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Solution
The fourth proportional to 4,856,412.20, 7,289,024.70 and 2,461,922.60 is: 3,695,117.69
Step by Step Solution
- Step 1: Write the proportion equation
4,856,412.20 : 7,289,024.70 = 2,461,922.60 : x - Step 2: Convert to fraction form
4,856,412.20/7,289,024.70 = 2,461,922.60/x - Step 3: Cross multiply
4,856,412.20x = 7,289,024.70 × 2,461,922.60 - Step 4: Simplify right side
4,856,412.20x = 17,945,014,640,888.22 - Step 5: Solve for x
x = 17,945,014,640,888.22/4,856,412.20 - Step 6: Final answer
x = 3,695,117.69
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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.