Finding the Fourth Proportional to 5,256,015.90, 7,884,023.85 and 4,122,275.10
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Solution
The fourth proportional to 5,256,015.90, 7,884,023.85 and 4,122,275.10 is: 6,183,412.65
Step by Step Solution
- Step 1: Write the proportion equation
5,256,015.90 : 7,884,023.85 = 4,122,275.10 : x - Step 2: Convert to fraction form
5,256,015.90/7,884,023.85 = 4,122,275.10/x - Step 3: Cross multiply
5,256,015.90x = 7,884,023.85 × 4,122,275.10 - Step 4: Simplify right side
5,256,015.90x = 32,500,115,204,661.13 - Step 5: Solve for x
x = 32,500,115,204,661.13/5,256,015.90 - Step 6: Final answer
x = 6,183,412.65
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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.