Finding the Fourth Proportional to 3,000,279.75, 4,140,396.51 and 1,623,623.12
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Solution
The fourth proportional to 3,000,279.75, 4,140,396.51 and 1,623,623.12 is: 2,240,605.56
Step by Step Solution
- Step 1: Write the proportion equation
3,000,279.75 : 4,140,396.51 = 1,623,623.12 : x - Step 2: Convert to fraction form
3,000,279.75/4,140,396.51 = 1,623,623.12/x - Step 3: Cross multiply
3,000,279.75x = 4,140,396.51 × 1,623,623.12 - Step 4: Simplify right side
3,000,279.75x = 6,722,443,500,626.17 - Step 5: Solve for x
x = 6,722,443,500,626.17/3,000,279.75 - Step 6: Final answer
x = 2,240,605.56
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1.5x scale
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.