Finding the Fourth Proportional to 4,590,676.49, 6,878,034.61 and 3,221,546.45
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Solution
The fourth proportional to 4,590,676.49, 6,878,034.61 and 3,221,546.45 is: 4,826,719.55
Step by Step Solution
- Step 1: Write the proportion equation
4,590,676.49 : 6,878,034.61 = 3,221,546.45 : x - Step 2: Convert to fraction form
4,590,676.49/6,878,034.61 = 3,221,546.45/x - Step 3: Cross multiply
4,590,676.49x = 6,878,034.61 × 3,221,546.45 - Step 4: Simplify right side
4,590,676.49x = 22,157,907,938,378.59 - Step 5: Solve for x
x = 22,157,907,938,378.59/4,590,676.49 - Step 6: Final answer
x = 4,826,719.55
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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.