Finding the Fourth Proportional to 4,154,808.80, 6,232,213.20 and 1,315,143.20
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Solution
The fourth proportional to 4,154,808.80, 6,232,213.20 and 1,315,143.20 is: 1,972,714.80
Step by Step Solution
- Step 1: Write the proportion equation
4,154,808.80 : 6,232,213.20 = 1,315,143.20 : x - Step 2: Convert to fraction form
4,154,808.80/6,232,213.20 = 1,315,143.20/x - Step 3: Cross multiply
4,154,808.80x = 6,232,213.20 × 1,315,143.20 - Step 4: Simplify right side
4,154,808.80x = 8,196,252,810,930.24 - Step 5: Solve for x
x = 8,196,252,810,930.24/4,154,808.80 - Step 6: Final answer
x = 1,972,714.80
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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.