Finding the Fourth Proportional to 5,400,138.24, 7,452,449.28 and 2,985,845.76
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Solution
The fourth proportional to 5,400,138.24, 7,452,449.28 and 2,985,845.76 is: 4,120,610.08
Step by Step Solution
- Step 1: Write the proportion equation
5,400,138.24 : 7,452,449.28 = 2,985,845.76 : x - Step 2: Convert to fraction form
5,400,138.24/7,452,449.28 = 2,985,845.76/x - Step 3: Cross multiply
5,400,138.24x = 7,452,449.28 × 2,985,845.76 - Step 4: Simplify right side
5,400,138.24x = 22,251,864,084,303.05 - Step 5: Solve for x
x = 22,251,864,084,303.05/5,400,138.24 - Step 6: Final answer
x = 4,120,610.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.