Finding the Fourth Proportional to 7,598,439.80, 10,485,962.94 and 4,161,000.68
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Solution
The fourth proportional to 7,598,439.80, 10,485,962.94 and 4,161,000.68 is: 5,742,244.47
Step by Step Solution
- Step 1: Write the proportion equation
7,598,439.80 : 10,485,962.94 = 4,161,000.68 : x - Step 2: Convert to fraction form
7,598,439.80/10,485,962.94 = 4,161,000.68/x - Step 3: Cross multiply
7,598,439.80x = 10,485,962.94 × 4,161,000.68 - Step 4: Simplify right side
7,598,439.80x = 43,632,098,923,794.80 - Step 5: Solve for x
x = 43,632,098,923,794.80/7,598,439.80 - Step 6: Final answer
x = 5,742,244.47
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1.5x scale
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.