Finding the Fourth Proportional to 3,420,174.80, 5,130,262.20 and 896,085.20
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Solution
The fourth proportional to 3,420,174.80, 5,130,262.20 and 896,085.20 is: 1,344,127.80
Step by Step Solution
- Step 1: Write the proportion equation
3,420,174.80 : 5,130,262.20 = 896,085.20 : x - Step 2: Convert to fraction form
3,420,174.80/5,130,262.20 = 896,085.20/x - Step 3: Cross multiply
3,420,174.80x = 5,130,262.20 × 896,085.20 - Step 4: Simplify right side
3,420,174.80x = 4,597,152,029,539.44 - Step 5: Solve for x
x = 4,597,152,029,539.44/3,420,174.80 - Step 6: Final answer
x = 1,344,127.80
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1.5x scale
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.