Finding the Fourth Proportional to 6,112,352.49, 8,434,638.54 and 3,358,980.68
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Solution
The fourth proportional to 6,112,352.49, 8,434,638.54 and 3,358,980.68 is: 4,635,169.18
Step by Step Solution
- Step 1: Write the proportion equation
6,112,352.49 : 8,434,638.54 = 3,358,980.68 : x - Step 2: Convert to fraction form
6,112,352.49/8,434,638.54 = 3,358,980.68/x - Step 3: Cross multiply
6,112,352.49x = 8,434,638.54 × 3,358,980.68 - Step 4: Simplify right side
6,112,352.49x = 28,331,787,856,470.21 - Step 5: Solve for x
x = 28,331,787,856,470.21/6,112,352.49 - Step 6: Final answer
x = 4,635,169.18
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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.