Finding the Fourth Proportional to 1,603,132.70, 2,212,323.90 and 878,026.02
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Solution
The fourth proportional to 1,603,132.70, 2,212,323.90 and 878,026.02 is: 1,211,676.34
Step by Step Solution
- Step 1: Write the proportion equation
1,603,132.70 : 2,212,323.90 = 878,026.02 : x - Step 2: Convert to fraction form
1,603,132.70/2,212,323.90 = 878,026.02/x - Step 3: Cross multiply
1,603,132.70x = 2,212,323.90 × 878,026.02 - Step 4: Simplify right side
1,603,132.70x = 1,942,477,948,867.88 - Step 5: Solve for x
x = 1,942,477,948,867.88/1,603,132.70 - Step 6: Final answer
x = 1,211,676.34
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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.