Finding the Fourth Proportional to 1,539,576.72, 2,124,530.17 and 851,208.75
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Solution
The fourth proportional to 1,539,576.72, 2,124,530.17 and 851,208.75 is: 1,174,620.69
Step by Step Solution
- Step 1: Write the proportion equation
1,539,576.72 : 2,124,530.17 = 851,208.75 : x - Step 2: Convert to fraction form
1,539,576.72/2,124,530.17 = 851,208.75/x - Step 3: Cross multiply
1,539,576.72x = 2,124,530.17 × 851,208.75 - Step 4: Simplify right side
1,539,576.72x = 1,808,418,668,214.97 - Step 5: Solve for x
x = 1,808,418,668,214.97/1,539,576.72 - Step 6: Final answer
x = 1,174,620.69
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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.