Finding the Fourth Proportional to 7,985,605.74, 11,980,424.46 and 2,228,334.54
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Solution
The fourth proportional to 7,985,605.74, 11,980,424.46 and 2,228,334.54 is: 3,343,064.32
Step by Step Solution
- Step 1: Write the proportion equation
7,985,605.74 : 11,980,424.46 = 2,228,334.54 : x - Step 2: Convert to fraction form
7,985,605.74/11,980,424.46 = 2,228,334.54/x - Step 3: Cross multiply
7,985,605.74x = 11,980,424.46 × 2,228,334.54 - Step 4: Simplify right side
7,985,605.74x = 26,696,393,628,078.85 - Step 5: Solve for x
x = 26,696,393,628,078.85/7,985,605.74 - Step 6: Final answer
x = 3,343,064.32
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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.