Finding the Fourth Proportional to 1,689,428.80, 2,534,169.12 and 567,507.52
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Solution
The fourth proportional to 1,689,428.80, 2,534,169.12 and 567,507.52 is: 851,269.99
Step by Step Solution
- Step 1: Write the proportion equation
1,689,428.80 : 2,534,169.12 = 567,507.52 : x - Step 2: Convert to fraction form
1,689,428.80/2,534,169.12 = 567,507.52/x - Step 3: Cross multiply
1,689,428.80x = 2,534,169.12 × 567,507.52 - Step 4: Simplify right side
1,689,428.80x = 1,438,160,032,551.78 - Step 5: Solve for x
x = 1,438,160,032,551.78/1,689,428.80 - Step 6: Final answer
x = 851,269.99
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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.