Finding the Fourth Proportional to 1,550,963.10, 2,326,517.55 and 486,039.90
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Solution
The fourth proportional to 1,550,963.10, 2,326,517.55 and 486,039.90 is: 729,082.70
Step by Step Solution
- Step 1: Write the proportion equation
1,550,963.10 : 2,326,517.55 = 486,039.90 : x - Step 2: Convert to fraction form
1,550,963.10/2,326,517.55 = 486,039.90/x - Step 3: Cross multiply
1,550,963.10x = 2,326,517.55 × 486,039.90 - Step 4: Simplify right side
1,550,963.10x = 1,130,780,357,350.24 - Step 5: Solve for x
x = 1,130,780,357,350.24/1,550,963.10 - Step 6: Final answer
x = 729,082.70
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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.