Finding the Fourth Proportional to 3,076,812.24, 4,245,911.52 and 1,700,134.08
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Solution
The fourth proportional to 3,076,812.24, 4,245,911.52 and 1,700,134.08 is: 2,346,135.65
Step by Step Solution
- Step 1: Write the proportion equation
3,076,812.24 : 4,245,911.52 = 1,700,134.08 : x - Step 2: Convert to fraction form
3,076,812.24/4,245,911.52 = 1,700,134.08/x - Step 3: Cross multiply
3,076,812.24x = 4,245,911.52 × 1,700,134.08 - Step 4: Simplify right side
3,076,812.24x = 7,218,618,875,816.60 - Step 5: Solve for x
x = 7,218,618,875,816.60/3,076,812.24 - Step 6: Final answer
x = 2,346,135.65
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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.