Finding the Fourth Proportional to 5,279,246.09, 7,285,359.60 and 2,864,798.09
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Solution
The fourth proportional to 5,279,246.09, 7,285,359.60 and 2,864,798.09 is: 3,953,421.36
Step by Step Solution
- Step 1: Write the proportion equation
5,279,246.09 : 7,285,359.60 = 2,864,798.09 : x - Step 2: Convert to fraction form
5,279,246.09/7,285,359.60 = 2,864,798.09/x - Step 3: Cross multiply
5,279,246.09x = 7,285,359.60 × 2,864,798.09 - Step 4: Simplify right side
5,279,246.09x = 20,871,084,257,936.46 - Step 5: Solve for x
x = 20,871,084,257,936.46/5,279,246.09 - Step 6: Final answer
x = 3,953,421.36
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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.