Finding the Fourth Proportional to 5,417,850.65, 8,128,129.01 and 3,823,527.65
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Solution
The fourth proportional to 5,417,850.65, 8,128,129.01 and 3,823,527.65 is: 5,736,246.34
Step by Step Solution
- Step 1: Write the proportion equation
5,417,850.65 : 8,128,129.01 = 3,823,527.65 : x - Step 2: Convert to fraction form
5,417,850.65/8,128,129.01 = 3,823,527.65/x - Step 3: Cross multiply
5,417,850.65x = 8,128,129.01 × 3,823,527.65 - Step 4: Simplify right side
5,417,850.65x = 31,078,125,952,743.84 - Step 5: Solve for x
x = 31,078,125,952,743.84/5,417,850.65 - Step 6: Final answer
x = 5,736,246.34
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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.