Finding the Fourth Proportional to 1,557,104.16, 2,148,877.36 and 878,026.08
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Solution
The fourth proportional to 1,557,104.16, 2,148,877.36 and 878,026.08 is: 1,211,717.50
Step by Step Solution
- Step 1: Write the proportion equation
1,557,104.16 : 2,148,877.36 = 878,026.08 : x - Step 2: Convert to fraction form
1,557,104.16/2,148,877.36 = 878,026.08/x - Step 3: Cross multiply
1,557,104.16x = 2,148,877.36 × 878,026.08 - Step 4: Simplify right side
1,557,104.16x = 1,886,770,364,801.55 - Step 5: Solve for x
x = 1,886,770,364,801.55/1,557,104.16 - Step 6: Final answer
x = 1,211,717.50
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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.