Finding the Fourth Proportional to 4,196,612.70, 6,298,029.45 and 3,076,868.70
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Solution
The fourth proportional to 4,196,612.70, 6,298,029.45 and 3,076,868.70 is: 4,617,583.53
Step by Step Solution
- Step 1: Write the proportion equation
4,196,612.70 : 6,298,029.45 = 3,076,868.70 : x - Step 2: Convert to fraction form
4,196,612.70/6,298,029.45 = 3,076,868.70/x - Step 3: Cross multiply
4,196,612.70x = 6,298,029.45 × 3,076,868.70 - Step 4: Simplify right side
4,196,612.70x = 19,378,209,686,383.21 - Step 5: Solve for x
x = 19,378,209,686,383.21/4,196,612.70 - Step 6: Final answer
x = 4,617,583.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.