Finding the Fourth Proportional to 5,700,434.96, 8,549,861.88 and 1,440,340.88
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Solution
The fourth proportional to 5,700,434.96, 8,549,861.88 and 1,440,340.88 is: 2,160,311.57
Step by Step Solution
- Step 1: Write the proportion equation
5,700,434.96 : 8,549,861.88 = 1,440,340.88 : x - Step 2: Convert to fraction form
5,700,434.96/8,549,861.88 = 1,440,340.88/x - Step 3: Cross multiply
5,700,434.96x = 8,549,861.88 × 1,440,340.88 - Step 4: Simplify right side
5,700,434.96x = 12,314,715,584,117.65 - Step 5: Solve for x
x = 12,314,715,584,117.65/5,700,434.96 - Step 6: Final answer
x = 2,160,311.57
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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.