Finding the Fourth Proportional to 1,770,319.15, 2,655,474.67 and 758,785.21
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Solution
The fourth proportional to 1,770,319.15, 2,655,474.67 and 758,785.21 is: 1,138,176.08
Step by Step Solution
- Step 1: Write the proportion equation
1,770,319.15 : 2,655,474.67 = 758,785.21 : x - Step 2: Convert to fraction form
1,770,319.15/2,655,474.67 = 758,785.21/x - Step 3: Cross multiply
1,770,319.15x = 2,655,474.67 × 758,785.21 - Step 4: Simplify right side
1,770,319.15x = 2,014,934,905,125.63 - Step 5: Solve for x
x = 2,014,934,905,125.63/1,770,319.15 - Step 6: Final answer
x = 1,138,176.08
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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.