Finding the Fourth Proportional to 1,905,762.99, 2,629,958.08 and 1,046,378.91
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Solution
The fourth proportional to 1,905,762.99, 2,629,958.08 and 1,046,378.91 is: 1,444,005.73
Step by Step Solution
- Step 1: Write the proportion equation
1,905,762.99 : 2,629,958.08 = 1,046,378.91 : x - Step 2: Convert to fraction form
1,905,762.99/2,629,958.08 = 1,046,378.91/x - Step 3: Cross multiply
1,905,762.99x = 2,629,958.08 × 1,046,378.91 - Step 4: Simplify right side
1,905,762.99x = 2,751,932,669,096.09 - Step 5: Solve for x
x = 2,751,932,669,096.09/1,905,762.99 - Step 6: Final answer
x = 1,444,005.73
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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.