Finding the Fourth Proportional to 3,165,256.18, 4,747,890.21 and 769,102.84
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Solution
The fourth proportional to 3,165,256.18, 4,747,890.21 and 769,102.84 is: 1,153,655.70
Step by Step Solution
- Step 1: Write the proportion equation
3,165,256.18 : 4,747,890.21 = 769,102.84 : x - Step 2: Convert to fraction form
3,165,256.18/4,747,890.21 = 769,102.84/x - Step 3: Cross multiply
3,165,256.18x = 4,747,890.21 × 769,102.84 - Step 4: Simplify right side
3,165,256.18x = 3,651,615,844,519.20 - Step 5: Solve for x
x = 3,651,615,844,519.20/3,165,256.18 - Step 6: Final answer
x = 1,153,655.70
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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.