Finding the Fourth Proportional to 1,683,824.88, 2,525,718.12 and 485,707.68
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Solution
The fourth proportional to 1,683,824.88, 2,525,718.12 and 485,707.68 is: 728,555.98
Step by Step Solution
- Step 1: Write the proportion equation
1,683,824.88 : 2,525,718.12 = 485,707.68 : x - Step 2: Convert to fraction form
1,683,824.88/2,525,718.12 = 485,707.68/x - Step 3: Cross multiply
1,683,824.88x = 2,525,718.12 × 485,707.68 - Step 4: Simplify right side
1,683,824.88x = 1,226,760,688,399.16 - Step 5: Solve for x
x = 1,226,760,688,399.16/1,683,824.88 - Step 6: Final answer
x = 728,555.98
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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.