Finding the Fourth Proportional to 2,318,615.37, 3,199,740.50 and 1,286,089.53
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Solution
The fourth proportional to 2,318,615.37, 3,199,740.50 and 1,286,089.53 is: 1,774,832.00
Step by Step Solution
- Step 1: Write the proportion equation
2,318,615.37 : 3,199,740.50 = 1,286,089.53 : x - Step 2: Convert to fraction form
2,318,615.37/3,199,740.50 = 1,286,089.53/x - Step 3: Cross multiply
2,318,615.37x = 3,199,740.50 × 1,286,089.53 - Step 4: Simplify right side
2,318,615.37x = 4,115,152,741,326.26 - Step 5: Solve for x
x = 4,115,152,741,326.26/2,318,615.37 - Step 6: Final answer
x = 1,774,832.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.