Finding the Fourth Proportional to 5,533,175.20, 8,299,762.80 and 3,396,330.40
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Solution
The fourth proportional to 5,533,175.20, 8,299,762.80 and 3,396,330.40 is: 5,094,495.60
Step by Step Solution
- Step 1: Write the proportion equation
5,533,175.20 : 8,299,762.80 = 3,396,330.40 : x - Step 2: Convert to fraction form
5,533,175.20/8,299,762.80 = 3,396,330.40/x - Step 3: Cross multiply
5,533,175.20x = 8,299,762.80 × 3,396,330.40 - Step 4: Simplify right side
5,533,175.20x = 28,188,736,710,429.12 - Step 5: Solve for x
x = 28,188,736,710,429.12/5,533,175.20 - Step 6: Final answer
x = 5,094,495.60
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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.