Finding the Fourth Proportional to 5,798,449.92, 8,001,969.30 and 3,220,372.20
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Solution
The fourth proportional to 5,798,449.92, 8,001,969.30 and 3,220,372.20 is: 4,444,173.85
Step by Step Solution
- Step 1: Write the proportion equation
5,798,449.92 : 8,001,969.30 = 3,220,372.20 : x - Step 2: Convert to fraction form
5,798,449.92/8,001,969.30 = 3,220,372.20/x - Step 3: Cross multiply
5,798,449.92x = 8,001,969.30 × 3,220,372.20 - Step 4: Simplify right side
5,798,449.92x = 25,769,319,478,973.46 - Step 5: Solve for x
x = 25,769,319,478,973.46/5,798,449.92 - Step 6: Final answer
x = 4,444,173.85
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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.