Finding the Fourth Proportional to 1,525,382.55, 2,105,022.18 and 837,065.99
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Solution
The fourth proportional to 1,525,382.55, 2,105,022.18 and 837,065.99 is: 1,155,147.92
Step by Step Solution
- Step 1: Write the proportion equation
1,525,382.55 : 2,105,022.18 = 837,065.99 : x - Step 2: Convert to fraction form
1,525,382.55/2,105,022.18 = 837,065.99/x - Step 3: Cross multiply
1,525,382.55x = 2,105,022.18 × 837,065.99 - Step 4: Simplify right side
1,525,382.55x = 1,762,042,475,073.66 - Step 5: Solve for x
x = 1,762,042,475,073.66/1,525,382.55 - Step 6: Final answer
x = 1,155,147.92
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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.