Finding the Fourth Proportional to 5,478,354.24, 8,201,541.60 and 3,196,887.36
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Solution
The fourth proportional to 5,478,354.24, 8,201,541.60 and 3,196,887.36 is: 4,786,000.23
Step by Step Solution
- Step 1: Write the proportion equation
5,478,354.24 : 8,201,541.60 = 3,196,887.36 : x - Step 2: Convert to fraction form
5,478,354.24/8,201,541.60 = 3,196,887.36/x - Step 3: Cross multiply
5,478,354.24x = 8,201,541.60 × 3,196,887.36 - Step 4: Simplify right side
5,478,354.24x = 26,219,404,673,554.17 - Step 5: Solve for x
x = 26,219,404,673,554.17/5,478,354.24 - Step 6: Final answer
x = 4,786,000.23
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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.