Finding the Fourth Proportional to 5,256,064.80, 7,884,097.20 and 4,193,182.80
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Solution
The fourth proportional to 5,256,064.80, 7,884,097.20 and 4,193,182.80 is: 6,289,774.20
Step by Step Solution
- Step 1: Write the proportion equation
5,256,064.80 : 7,884,097.20 = 4,193,182.80 : x - Step 2: Convert to fraction form
5,256,064.80/7,884,097.20 = 4,193,182.80/x - Step 3: Cross multiply
5,256,064.80x = 7,884,097.20 × 4,193,182.80 - Step 4: Simplify right side
5,256,064.80x = 33,059,460,772,568.16 - Step 5: Solve for x
x = 33,059,460,772,568.16/5,256,064.80 - Step 6: Final answer
x = 6,289,774.20
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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.