Finding the Fourth Proportional to 1,557,230.76, 2,148,935.94 and 878,230.44
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Solution
The fourth proportional to 1,557,230.76, 2,148,935.94 and 878,230.44 is: 1,211,934.03
Step by Step Solution
- Step 1: Write the proportion equation
1,557,230.76 : 2,148,935.94 = 878,230.44 : x - Step 2: Convert to fraction form
1,557,230.76/2,148,935.94 = 878,230.44/x - Step 3: Cross multiply
1,557,230.76x = 2,148,935.94 × 878,230.44 - Step 4: Simplify right side
1,557,230.76x = 1,887,260,956,118.01 - Step 5: Solve for x
x = 1,887,260,956,118.01/1,557,230.76 - Step 6: Final answer
x = 1,211,934.03
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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.