Finding the Fourth Proportional to 2,660,023.20, 3,990,553.20 and 1,143,703.20
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Solution
The fourth proportional to 2,660,023.20, 3,990,553.20 and 1,143,703.20 is: 1,715,777.69
Step by Step Solution
- Step 1: Write the proportion equation
2,660,023.20 : 3,990,553.20 = 1,143,703.20 : x - Step 2: Convert to fraction form
2,660,023.20/3,990,553.20 = 1,143,703.20/x - Step 3: Cross multiply
2,660,023.20x = 3,990,553.20 × 1,143,703.20 - Step 4: Simplify right side
2,660,023.20x = 4,564,008,464,610.24 - Step 5: Solve for x
x = 4,564,008,464,610.24/2,660,023.20 - Step 6: Final answer
x = 1,715,777.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.