Finding the Fourth Proportional to 4,346,433.56, 6,519,890.21 and 1,313,723.09
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Solution
The fourth proportional to 4,346,433.56, 6,519,890.21 and 1,313,723.09 is: 1,970,657.14
Step by Step Solution
- Step 1: Write the proportion equation
4,346,433.56 : 6,519,890.21 = 1,313,723.09 : x - Step 2: Convert to fraction form
4,346,433.56/6,519,890.21 = 1,313,723.09/x - Step 3: Cross multiply
4,346,433.56x = 6,519,890.21 × 1,313,723.09 - Step 4: Simplify right side
4,346,433.56x = 8,565,330,322,873.06 - Step 5: Solve for x
x = 8,565,330,322,873.06/4,346,433.56 - Step 6: Final answer
x = 1,970,657.14
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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.