Finding the Fourth Proportional to 2,069,531.20, 3,107,839.20 and 1,124,747.20
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Solution
The fourth proportional to 2,069,531.20, 3,107,839.20 and 1,124,747.20 is: 1,689,046.02
Step by Step Solution
- Step 1: Write the proportion equation
2,069,531.20 : 3,107,839.20 = 1,124,747.20 : x - Step 2: Convert to fraction form
2,069,531.20/3,107,839.20 = 1,124,747.20/x - Step 3: Cross multiply
2,069,531.20x = 3,107,839.20 × 1,124,747.20 - Step 4: Simplify right side
2,069,531.20x = 3,495,533,438,250.24 - Step 5: Solve for x
x = 3,495,533,438,250.24/2,069,531.20 - Step 6: Final answer
x = 1,689,046.02
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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.