Finding the Fourth Proportional to 3,411,057.45, 4,707,234.90 and 1,862,319.08
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Solution
The fourth proportional to 3,411,057.45, 4,707,234.90 and 1,862,319.08 is: 2,569,987.02
Step by Step Solution
- Step 1: Write the proportion equation
3,411,057.45 : 4,707,234.90 = 1,862,319.08 : x - Step 2: Convert to fraction form
3,411,057.45/4,707,234.90 = 1,862,319.08/x - Step 3: Cross multiply
3,411,057.45x = 4,707,234.90 × 1,862,319.08 - Step 4: Simplify right side
3,411,057.45x = 8,766,373,368,311.89 - Step 5: Solve for x
x = 8,766,373,368,311.89/3,411,057.45 - Step 6: Final answer
x = 2,569,987.02
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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.