Finding the Fourth Proportional to 5,301,842.70, 7,952,764.05 and 1,312,754.70
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Solution
The fourth proportional to 5,301,842.70, 7,952,764.05 and 1,312,754.70 is: 1,969,132.05
Step by Step Solution
- Step 1: Write the proportion equation
5,301,842.70 : 7,952,764.05 = 1,312,754.70 : x - Step 2: Convert to fraction form
5,301,842.70/7,952,764.05 = 1,312,754.70/x - Step 3: Cross multiply
5,301,842.70x = 7,952,764.05 × 1,312,754.70 - Step 4: Simplify right side
5,301,842.70x = 10,440,028,384,628.54 - Step 5: Solve for x
x = 10,440,028,384,628.54/5,301,842.70 - Step 6: Final answer
x = 1,969,132.05
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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.