Finding the Fourth Proportional to 4,208,838.63, 5,808,194.55 and 2,275,099.17
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Solution
The fourth proportional to 4,208,838.63, 5,808,194.55 and 2,275,099.17 is: 3,139,635.36
Step by Step Solution
- Step 1: Write the proportion equation
4,208,838.63 : 5,808,194.55 = 2,275,099.17 : x - Step 2: Convert to fraction form
4,208,838.63/5,808,194.55 = 2,275,099.17/x - Step 3: Cross multiply
4,208,838.63x = 5,808,194.55 × 2,275,099.17 - Step 4: Simplify right side
4,208,838.63x = 13,214,218,599,903.52 - Step 5: Solve for x
x = 13,214,218,599,903.52/4,208,838.63 - Step 6: Final answer
x = 3,139,635.36
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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.