Finding the Fourth Proportional to 6,784,740.66, 10,175,533.92 and 1,991,142.84
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Solution
The fourth proportional to 6,784,740.66, 10,175,533.92 and 1,991,142.84 is: 2,986,251.43
Step by Step Solution
- Step 1: Write the proportion equation
6,784,740.66 : 10,175,533.92 = 1,991,142.84 : x - Step 2: Convert to fraction form
6,784,740.66/10,175,533.92 = 1,991,142.84/x - Step 3: Cross multiply
6,784,740.66x = 10,175,533.92 × 1,991,142.84 - Step 4: Simplify right side
6,784,740.66x = 20,260,941,507,985.13 - Step 5: Solve for x
x = 20,260,941,507,985.13/6,784,740.66 - Step 6: Final answer
x = 2,986,251.43
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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.