Finding the Fourth Proportional to 5,076,876.15, 7,006,048.38 and 2,753,762.74
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Solution
The fourth proportional to 5,076,876.15, 7,006,048.38 and 2,753,762.74 is: 3,800,170.50
Step by Step Solution
- Step 1: Write the proportion equation
5,076,876.15 : 7,006,048.38 = 2,753,762.74 : x - Step 2: Convert to fraction form
5,076,876.15/7,006,048.38 = 2,753,762.74/x - Step 3: Cross multiply
5,076,876.15x = 7,006,048.38 × 2,753,762.74 - Step 4: Simplify right side
5,076,876.15x = 19,292,995,002,565.53 - Step 5: Solve for x
x = 19,292,995,002,565.53/5,076,876.15 - Step 6: Final answer
x = 3,800,170.50
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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.