Finding the Fourth Proportional to 2,758,821.59, 4,138,184.09 and 1,241,430.57
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Solution
The fourth proportional to 2,758,821.59, 4,138,184.09 and 1,241,430.57 is: 1,862,124.12
Step by Step Solution
- Step 1: Write the proportion equation
2,758,821.59 : 4,138,184.09 = 1,241,430.57 : x - Step 2: Convert to fraction form
2,758,821.59/4,138,184.09 = 1,241,430.57/x - Step 3: Cross multiply
2,758,821.59x = 4,138,184.09 × 1,241,430.57 - Step 4: Simplify right side
2,758,821.59x = 5,137,268,236,717.21 - Step 5: Solve for x
x = 5,137,268,236,717.21/2,758,821.59 - Step 6: Final answer
x = 1,862,124.12
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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.