Finding the Fourth Proportional to 3,168,223.60, 4,741,837.80 and 2,916,281.20
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Solution
The fourth proportional to 3,168,223.60, 4,741,837.80 and 2,916,281.20 is: 4,364,758.99
Step by Step Solution
- Step 1: Write the proportion equation
3,168,223.60 : 4,741,837.80 = 2,916,281.20 : x - Step 2: Convert to fraction form
3,168,223.60/4,741,837.80 = 2,916,281.20/x - Step 3: Cross multiply
3,168,223.60x = 4,741,837.80 × 2,916,281.20 - Step 4: Simplify right side
3,168,223.60x = 13,828,532,429,589.36 - Step 5: Solve for x
x = 13,828,532,429,589.36/3,168,223.60 - Step 6: Final answer
x = 4,364,758.99
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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.