Finding the Fourth Proportional to 2,487,291.56, 3,730,939.10 and 690,176.79
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Solution
The fourth proportional to 2,487,291.56, 3,730,939.10 and 690,176.79 is: 1,035,265.67
Step by Step Solution
- Step 1: Write the proportion equation
2,487,291.56 : 3,730,939.10 = 690,176.79 : x - Step 2: Convert to fraction form
2,487,291.56/3,730,939.10 = 690,176.79/x - Step 3: Cross multiply
2,487,291.56x = 3,730,939.10 × 690,176.79 - Step 4: Simplify right side
2,487,291.56x = 2,575,007,568,272.61 - Step 5: Solve for x
x = 2,575,007,568,272.61/2,487,291.56 - Step 6: Final answer
x = 1,035,265.67
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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.