Finding the Fourth Proportional to 5,654,817.09, 7,803,420.12 and 3,076,508.52
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Solution
The fourth proportional to 5,654,817.09, 7,803,420.12 and 3,076,508.52 is: 4,245,458.01
Step by Step Solution
- Step 1: Write the proportion equation
5,654,817.09 : 7,803,420.12 = 3,076,508.52 : x - Step 2: Convert to fraction form
5,654,817.09/7,803,420.12 = 3,076,508.52/x - Step 3: Cross multiply
5,654,817.09x = 7,803,420.12 × 3,076,508.52 - Step 4: Simplify right side
5,654,817.09x = 24,007,288,484,319.42 - Step 5: Solve for x
x = 24,007,288,484,319.42/5,654,817.09 - Step 6: Final answer
x = 4,245,458.01
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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.