Finding the Fourth Proportional to 3,462,757.80, 5,194,225.80 and 1,640,695.20
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Solution
The fourth proportional to 3,462,757.80, 5,194,225.80 and 1,640,695.20 is: 2,461,085.02
Step by Step Solution
- Step 1: Write the proportion equation
3,462,757.80 : 5,194,225.80 = 1,640,695.20 : x - Step 2: Convert to fraction form
3,462,757.80/5,194,225.80 = 1,640,695.20/x - Step 3: Cross multiply
3,462,757.80x = 5,194,225.80 × 1,640,695.20 - Step 4: Simplify right side
3,462,757.80x = 8,522,141,337,776.16 - Step 5: Solve for x
x = 8,522,141,337,776.16/3,462,757.80 - Step 6: Final answer
x = 2,461,085.02
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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.