Finding the Fourth Proportional to 1,753,325.20, 2,629,793.40 and 1,437,230.80
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Solution
The fourth proportional to 1,753,325.20, 2,629,793.40 and 1,437,230.80 is: 2,155,686.85
Step by Step Solution
- Step 1: Write the proportion equation
1,753,325.20 : 2,629,793.40 = 1,437,230.80 : x - Step 2: Convert to fraction form
1,753,325.20/2,629,793.40 = 1,437,230.80/x - Step 3: Cross multiply
1,753,325.20x = 2,629,793.40 × 1,437,230.80 - Step 4: Simplify right side
1,753,325.20x = 3,779,620,072,116.72 - Step 5: Solve for x
x = 3,779,620,072,116.72/1,753,325.20 - Step 6: Final answer
x = 2,155,686.85
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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.