Finding the Fourth Proportional to 1,567,555.72, 2,351,328.18 and 430,330.12
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Solution
The fourth proportional to 1,567,555.72, 2,351,328.18 and 430,330.12 is: 645,493.70
Step by Step Solution
- Step 1: Write the proportion equation
1,567,555.72 : 2,351,328.18 = 430,330.12 : x - Step 2: Convert to fraction form
1,567,555.72/2,351,328.18 = 430,330.12/x - Step 3: Cross multiply
1,567,555.72x = 2,351,328.18 × 430,330.12 - Step 4: Simplify right side
1,567,555.72x = 1,011,847,337,858.78 - Step 5: Solve for x
x = 1,011,847,337,858.78/1,567,555.72 - Step 6: Final answer
x = 645,493.70
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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.