Finding the Fourth Proportional to 3,012,204.12, 4,518,306.12 and 768,342.12
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Solution
The fourth proportional to 3,012,204.12, 4,518,306.12 and 768,342.12 is: 1,152,513.16
Step by Step Solution
- Step 1: Write the proportion equation
3,012,204.12 : 4,518,306.12 = 768,342.12 : x - Step 2: Convert to fraction form
3,012,204.12/4,518,306.12 = 768,342.12/x - Step 3: Cross multiply
3,012,204.12x = 4,518,306.12 × 768,342.12 - Step 4: Simplify right side
3,012,204.12x = 3,471,604,903,049.77 - Step 5: Solve for x
x = 3,471,604,903,049.77/3,012,204.12 - Step 6: Final answer
x = 1,152,513.16
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1.5x scale
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.