Finding the Fourth Proportional to 4,701,410.78, 6,485,198.09 and 2,956,318.28
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Solution
The fourth proportional to 4,701,410.78, 6,485,198.09 and 2,956,318.28 is: 4,077,990.74
Step by Step Solution
- Step 1: Write the proportion equation
4,701,410.78 : 6,485,198.09 = 2,956,318.28 : x - Step 2: Convert to fraction form
4,701,410.78/6,485,198.09 = 2,956,318.28/x - Step 3: Cross multiply
4,701,410.78x = 6,485,198.09 × 2,956,318.28 - Step 4: Simplify right side
4,701,410.78x = 19,172,309,615,680.50 - Step 5: Solve for x
x = 19,172,309,615,680.50/4,701,410.78 - Step 6: Final answer
x = 4,077,990.74
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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.