Finding the Fourth Proportional to 3,408,963.42, 4,700,554.96 and 2,786,826.85
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Solution
The fourth proportional to 3,408,963.42, 4,700,554.96 and 2,786,826.85 is: 3,842,702.65
Step by Step Solution
- Step 1: Write the proportion equation
3,408,963.42 : 4,700,554.96 = 2,786,826.85 : x - Step 2: Convert to fraction form
3,408,963.42/4,700,554.96 = 2,786,826.85/x - Step 3: Cross multiply
3,408,963.42x = 4,700,554.96 × 2,786,826.85 - Step 4: Simplify right side
3,408,963.42x = 13,099,632,785,376.14 - Step 5: Solve for x
x = 13,099,632,785,376.14/3,408,963.42 - Step 6: Final answer
x = 3,842,702.65
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1.5x scale
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.