Finding the Fourth Proportional to 1,603,530.27, 2,212,799.31 and 959,305.68
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Solution
The fourth proportional to 1,603,530.27, 2,212,799.31 and 959,305.68 is: 1,323,798.49
Step by Step Solution
- Step 1: Write the proportion equation
1,603,530.27 : 2,212,799.31 = 959,305.68 : x - Step 2: Convert to fraction form
1,603,530.27/2,212,799.31 = 959,305.68/x - Step 3: Cross multiply
1,603,530.27x = 2,212,799.31 × 959,305.68 - Step 4: Simplify right side
1,603,530.27x = 2,122,750,946,783.08 - Step 5: Solve for x
x = 2,122,750,946,783.08/1,603,530.27 - Step 6: Final answer
x = 1,323,798.49
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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.