Finding the Fourth Proportional to 4,210,344.90, 5,810,931.18 and 2,764,234.98
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Solution
The fourth proportional to 4,210,344.90, 5,810,931.18 and 2,764,234.98 is: 3,815,074.45
Step by Step Solution
- Step 1: Write the proportion equation
4,210,344.90 : 5,810,931.18 = 2,764,234.98 : x - Step 2: Convert to fraction form
4,210,344.90/5,810,931.18 = 2,764,234.98/x - Step 3: Cross multiply
4,210,344.90x = 5,810,931.18 × 2,764,234.98 - Step 4: Simplify right side
4,210,344.90x = 16,062,779,234,128.68 - Step 5: Solve for x
x = 16,062,779,234,128.68/4,210,344.90 - Step 6: Final answer
x = 3,815,074.45
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1.5x scale
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.