Finding the Fourth Proportional to 1,818,418.90, 2,727,530.16 and 556,246.66
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Solution
The fourth proportional to 1,818,418.90, 2,727,530.16 and 556,246.66 is: 834,339.95
Step by Step Solution
- Step 1: Write the proportion equation
1,818,418.90 : 2,727,530.16 = 556,246.66 : x - Step 2: Convert to fraction form
1,818,418.90/2,727,530.16 = 556,246.66/x - Step 3: Cross multiply
1,818,418.90x = 2,727,530.16 × 556,246.66 - Step 4: Simplify right side
1,818,418.90x = 1,517,179,541,549.27 - Step 5: Solve for x
x = 1,517,179,541,549.27/1,818,418.90 - Step 6: Final answer
x = 834,339.95
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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.