Finding the Fourth Proportional to 4,643,622.60, 6,408,359.58 and 2,578,672.74
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Solution
The fourth proportional to 4,643,622.60, 6,408,359.58 and 2,578,672.74 is: 3,558,657.45
Step by Step Solution
- Step 1: Write the proportion equation
4,643,622.60 : 6,408,359.58 = 2,578,672.74 : x - Step 2: Convert to fraction form
4,643,622.60/6,408,359.58 = 2,578,672.74/x - Step 3: Cross multiply
4,643,622.60x = 6,408,359.58 × 2,578,672.74 - Step 4: Simplify right side
4,643,622.60x = 16,525,062,157,063.85 - Step 5: Solve for x
x = 16,525,062,157,063.85/4,643,622.60 - Step 6: Final answer
x = 3,558,657.45
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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.