Finding the Fourth Proportional to 6,970,713.21, 10,460,162.25 and 2,926,890.09
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Solution
The fourth proportional to 6,970,713.21, 10,460,162.25 and 2,926,890.09 is: 4,392,053.48
Step by Step Solution
- Step 1: Write the proportion equation
6,970,713.21 : 10,460,162.25 = 2,926,890.09 : x - Step 2: Convert to fraction form
6,970,713.21/10,460,162.25 = 2,926,890.09/x - Step 3: Cross multiply
6,970,713.21x = 10,460,162.25 × 2,926,890.09 - Step 4: Simplify right side
6,970,713.21x = 30,615,745,229,317.10 - Step 5: Solve for x
x = 30,615,745,229,317.10/6,970,713.21 - Step 6: Final answer
x = 4,392,053.48
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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.