Finding the Fourth Proportional to 6,440,184.90, 8,888,294.97 and 4,154,993.46
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Solution
The fourth proportional to 6,440,184.90, 8,888,294.97 and 4,154,993.46 is: 5,734,432.79
Step by Step Solution
- Step 1: Write the proportion equation
6,440,184.90 : 8,888,294.97 = 4,154,993.46 : x - Step 2: Convert to fraction form
6,440,184.90/8,888,294.97 = 4,154,993.46/x - Step 3: Cross multiply
6,440,184.90x = 8,888,294.97 × 4,154,993.46 - Step 4: Simplify right side
6,440,184.90x = 36,930,807,470,900.90 - Step 5: Solve for x
x = 36,930,807,470,900.90/6,440,184.90 - Step 6: Final answer
x = 5,734,432.79
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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.