Finding the Fourth Proportional to 5,014,543.86, 6,920,682.53 and 2,949,460.88
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Solution
The fourth proportional to 5,014,543.86, 6,920,682.53 and 2,949,460.88 is: 4,070,615.97
Step by Step Solution
- Step 1: Write the proportion equation
5,014,543.86 : 6,920,682.53 = 2,949,460.88 : x - Step 2: Convert to fraction form
5,014,543.86/6,920,682.53 = 2,949,460.88/x - Step 3: Cross multiply
5,014,543.86x = 6,920,682.53 × 2,949,460.88 - Step 4: Simplify right side
5,014,543.86x = 20,412,282,335,783.71 - Step 5: Solve for x
x = 20,412,282,335,783.71/5,014,543.86 - Step 6: Final answer
x = 4,070,615.97
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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.