Finding the Fourth Proportional to 4,014,149.11, 5,539,565.64 and 2,178,623.68
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Solution
The fourth proportional to 4,014,149.11, 5,539,565.64 and 2,178,623.68 is: 3,006,522.32
Step by Step Solution
- Step 1: Write the proportion equation
4,014,149.11 : 5,539,565.64 = 2,178,623.68 : x - Step 2: Convert to fraction form
4,014,149.11/5,539,565.64 = 2,178,623.68/x - Step 3: Cross multiply
4,014,149.11x = 5,539,565.64 × 2,178,623.68 - Step 4: Simplify right side
4,014,149.11x = 12,068,628,880,218.36 - Step 5: Solve for x
x = 12,068,628,880,218.36/4,014,149.11 - Step 6: Final answer
x = 3,006,522.32
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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.