Finding the Fourth Proportional to 4,122,325.20, 6,183,487.80 and 2,862,613.20
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Solution
The fourth proportional to 4,122,325.20, 6,183,487.80 and 2,862,613.20 is: 4,293,919.80
Step by Step Solution
- Step 1: Write the proportion equation
4,122,325.20 : 6,183,487.80 = 2,862,613.20 : x - Step 2: Convert to fraction form
4,122,325.20/6,183,487.80 = 2,862,613.20/x - Step 3: Cross multiply
4,122,325.20x = 6,183,487.80 × 2,862,613.20 - Step 4: Simplify right side
4,122,325.20x = 17,700,933,798,318.96 - Step 5: Solve for x
x = 17,700,933,798,318.96/4,122,325.20 - Step 6: Final answer
x = 4,293,919.80
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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.