Finding the Fourth Proportional to 2,983,920.75, 4,117,810.64 and 1,625,793.75
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Solution
The fourth proportional to 2,983,920.75, 4,117,810.64 and 1,625,793.75 is: 2,243,595.38
Step by Step Solution
- Step 1: Write the proportion equation
2,983,920.75 : 4,117,810.64 = 1,625,793.75 : x - Step 2: Convert to fraction form
2,983,920.75/4,117,810.64 = 1,625,793.75/x - Step 3: Cross multiply
2,983,920.75x = 4,117,810.64 × 1,625,793.75 - Step 4: Simplify right side
2,983,920.75x = 6,694,710,794,066.53 - Step 5: Solve for x
x = 6,694,710,794,066.53/2,983,920.75 - Step 6: Final answer
x = 2,243,595.38
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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.