Finding the Fourth Proportional to 1,603,587.44, 2,212,951.09 and 878,460.94
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Solution
The fourth proportional to 1,603,587.44, 2,212,951.09 and 878,460.94 is: 1,212,276.32
Step by Step Solution
- Step 1: Write the proportion equation
1,603,587.44 : 2,212,951.09 = 878,460.94 : x - Step 2: Convert to fraction form
1,603,587.44/2,212,951.09 = 878,460.94/x - Step 3: Cross multiply
1,603,587.44x = 2,212,951.09 × 878,460.94 - Step 4: Simplify right side
1,603,587.44x = 1,943,991,086,966.89 - Step 5: Solve for x
x = 1,943,991,086,966.89/1,603,587.44 - Step 6: Final answer
x = 1,212,276.32
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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.