Finding the Fourth Proportional to 4,911,320.16, 6,780,431.16 and 3,259,707.12
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Solution
The fourth proportional to 4,911,320.16, 6,780,431.16 and 3,259,707.12 is: 4,500,260.42
Step by Step Solution
- Step 1: Write the proportion equation
4,911,320.16 : 6,780,431.16 = 3,259,707.12 : x - Step 2: Convert to fraction form
4,911,320.16/6,780,431.16 = 3,259,707.12/x - Step 3: Cross multiply
4,911,320.16x = 6,780,431.16 × 3,259,707.12 - Step 4: Simplify right side
4,911,320.16x = 22,102,219,728,921.86 - Step 5: Solve for x
x = 22,102,219,728,921.86/4,911,320.16 - Step 6: Final answer
x = 4,500,260.42
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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.