Finding the Fourth Proportional to 1,582,028.58, 2,183,198.49 and 856,876.08
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Solution
The fourth proportional to 1,582,028.58, 2,183,198.49 and 856,876.08 is: 1,182,488.48
Step by Step Solution
- Step 1: Write the proportion equation
1,582,028.58 : 2,183,198.49 = 856,876.08 : x - Step 2: Convert to fraction form
1,582,028.58/2,183,198.49 = 856,876.08/x - Step 3: Cross multiply
1,582,028.58x = 2,183,198.49 × 856,876.08 - Step 4: Simplify right side
1,582,028.58x = 1,870,730,563,973.12 - Step 5: Solve for x
x = 1,870,730,563,973.12/1,582,028.58 - Step 6: Final answer
x = 1,182,488.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.