Finding the Fourth Proportional to 1,557,920.44, 2,150,029.74 and 878,609.08
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Solution
The fourth proportional to 1,557,920.44, 2,150,029.74 and 878,609.08 is: 1,212,536.66
Step by Step Solution
- Step 1: Write the proportion equation
1,557,920.44 : 2,150,029.74 = 878,609.08 : x - Step 2: Convert to fraction form
1,557,920.44/2,150,029.74 = 878,609.08/x - Step 3: Cross multiply
1,557,920.44x = 2,150,029.74 × 878,609.08 - Step 4: Simplify right side
1,557,920.44x = 1,889,035,651,834.04 - Step 5: Solve for x
x = 1,889,035,651,834.04/1,557,920.44 - Step 6: Final answer
x = 1,212,536.66
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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.