Finding the Fourth Proportional to 1,525,351.97, 2,287,130.87 and 578,789.21
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Solution
The fourth proportional to 1,525,351.97, 2,287,130.87 and 578,789.21 is: 867,843.41
Step by Step Solution
- Step 1: Write the proportion equation
1,525,351.97 : 2,287,130.87 = 578,789.21 : x - Step 2: Convert to fraction form
1,525,351.97/2,287,130.87 = 578,789.21/x - Step 3: Cross multiply
1,525,351.97x = 2,287,130.87 × 578,789.21 - Step 4: Simplify right side
1,525,351.97x = 1,323,766,655,084.31 - Step 5: Solve for x
x = 1,323,766,655,084.31/1,525,351.97 - Step 6: Final answer
x = 867,843.41
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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.