Finding the Fourth Proportional to 4,271,951.13, 6,408,976.65 and 1,280,135.13
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Solution
The fourth proportional to 4,271,951.13, 6,408,976.65 and 1,280,135.13 is: 1,920,517.33
Step by Step Solution
- Step 1: Write the proportion equation
4,271,951.13 : 6,408,976.65 = 1,280,135.13 : x - Step 2: Convert to fraction form
4,271,951.13/6,408,976.65 = 1,280,135.13/x - Step 3: Cross multiply
4,271,951.13x = 6,408,976.65 × 1,280,135.13 - Step 4: Simplify right side
4,271,951.13x = 8,204,356,157,014.71 - Step 5: Solve for x
x = 8,204,356,157,014.71/4,271,951.13 - Step 6: Final answer
x = 1,920,517.33
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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.