Finding the Fourth Proportional to 3,186,313.68, 4,398,738 and 2,159,247.44
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Solution
The fourth proportional to 3,186,313.68, 4,398,738 and 2,159,247.44 is: 2,980,862.75
Step by Step Solution
- Step 1: Write the proportion equation
3,186,313.68 : 4,398,738 = 2,159,247.44 : x - Step 2: Convert to fraction form
3,186,313.68/4,398,738 = 2,159,247.44/x - Step 3: Cross multiply
3,186,313.68x = 4,398,738 × 2,159,247.44 - Step 4: Simplify right side
3,186,313.68x = 9,497,963,765,730.72 - Step 5: Solve for x
x = 9,497,963,765,730.72/3,186,313.68 - Step 6: Final answer
x = 2,980,862.75
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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.