Finding the Fourth Proportional to 1,968,234.24, 2,716,605.36 and 1,288,776
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Solution
The fourth proportional to 1,968,234.24, 2,716,605.36 and 1,288,776 is: 1,778,800.37
Step by Step Solution
- Step 1: Write the proportion equation
1,968,234.24 : 2,716,605.36 = 1,288,776 : x - Step 2: Convert to fraction form
1,968,234.24/2,716,605.36 = 1,288,776/x - Step 3: Cross multiply
1,968,234.24x = 2,716,605.36 × 1,288,776 - Step 4: Simplify right side
1,968,234.24x = 3,501,095,789,439.36 - Step 5: Solve for x
x = 3,501,095,789,439.36/1,968,234.24 - Step 6: Final answer
x = 1,778,800.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.