Finding the Fourth Proportional to 3,176,978.07, 4,762,672.17 and 1,259,235.39
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Solution
The fourth proportional to 3,176,978.07, 4,762,672.17 and 1,259,235.39 is: 1,887,745.28
Step by Step Solution
- Step 1: Write the proportion equation
3,176,978.07 : 4,762,672.17 = 1,259,235.39 : x - Step 2: Convert to fraction form
3,176,978.07/4,762,672.17 = 1,259,235.39/x - Step 3: Cross multiply
3,176,978.07x = 4,762,672.17 × 1,259,235.39 - Step 4: Simplify right side
3,176,978.07x = 5,997,325,347,432.10 - Step 5: Solve for x
x = 5,997,325,347,432.10/3,176,978.07 - Step 6: Final answer
x = 1,887,745.28
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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.