Finding the Fourth Proportional to 5,679,346.64, 7,833,520.99 and 3,842,996.55
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Solution
The fourth proportional to 5,679,346.64, 7,833,520.99 and 3,842,996.55 is: 5,300,643.90
Step by Step Solution
- Step 1: Write the proportion equation
5,679,346.64 : 7,833,520.99 = 3,842,996.55 : x - Step 2: Convert to fraction form
5,679,346.64/7,833,520.99 = 3,842,996.55/x - Step 3: Cross multiply
5,679,346.64x = 7,833,520.99 × 3,842,996.55 - Step 4: Simplify right side
5,679,346.64x = 30,104,194,136,797.32 - Step 5: Solve for x
x = 30,104,194,136,797.32/5,679,346.64 - Step 6: Final answer
x = 5,300,643.90
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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.