Finding the Fourth Proportional to 6,518,608.98, 8,994,950.76 and 3,618,122.10
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Solution
The fourth proportional to 6,518,608.98, 8,994,950.76 and 3,618,122.10 is: 4,992,603.52
Step by Step Solution
- Step 1: Write the proportion equation
6,518,608.98 : 8,994,950.76 = 3,618,122.10 : x - Step 2: Convert to fraction form
6,518,608.98/8,994,950.76 = 3,618,122.10/x - Step 3: Cross multiply
6,518,608.98x = 8,994,950.76 × 3,618,122.10 - Step 4: Simplify right side
6,518,608.98x = 32,544,830,133,167.80 - Step 5: Solve for x
x = 32,544,830,133,167.80/6,518,608.98 - Step 6: Final answer
x = 4,992,603.52
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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.