Finding the Fourth Proportional to 1,589,534.70, 2,384,302.05 and 1,415,352.30
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Solution
The fourth proportional to 1,589,534.70, 2,384,302.05 and 1,415,352.30 is: 2,123,028.45
Step by Step Solution
- Step 1: Write the proportion equation
1,589,534.70 : 2,384,302.05 = 1,415,352.30 : x - Step 2: Convert to fraction form
1,589,534.70/2,384,302.05 = 1,415,352.30/x - Step 3: Cross multiply
1,589,534.70x = 2,384,302.05 × 1,415,352.30 - Step 4: Simplify right side
1,589,534.70x = 3,374,627,390,362.22 - Step 5: Solve for x
x = 3,374,627,390,362.22/1,589,534.70 - Step 6: Final answer
x = 2,123,028.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.