Finding the Fourth Proportional to 4,640,490.30, 6,403,780.22 and 2,575,385.99
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Solution
The fourth proportional to 4,640,490.30, 6,403,780.22 and 2,575,385.99 is: 3,553,979.16
Step by Step Solution
- Step 1: Write the proportion equation
4,640,490.30 : 6,403,780.22 = 2,575,385.99 : x - Step 2: Convert to fraction form
4,640,490.30/6,403,780.22 = 2,575,385.99/x - Step 3: Cross multiply
4,640,490.30x = 6,403,780.22 × 2,575,385.99 - Step 4: Simplify right side
4,640,490.30x = 16,492,205,840,745.46 - Step 5: Solve for x
x = 16,492,205,840,745.46/4,640,490.30 - Step 6: Final answer
x = 3,553,979.16
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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.