Finding the Fourth Proportional to 2,848,889.76, 3,931,471.80 and 1,559,739.12
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Solution
The fourth proportional to 2,848,889.76, 3,931,471.80 and 1,559,739.12 is: 2,152,442.14
Step by Step Solution
- Step 1: Write the proportion equation
2,848,889.76 : 3,931,471.80 = 1,559,739.12 : x - Step 2: Convert to fraction form
2,848,889.76/3,931,471.80 = 1,559,739.12/x - Step 3: Cross multiply
2,848,889.76x = 3,931,471.80 × 1,559,739.12 - Step 4: Simplify right side
2,848,889.76x = 6,132,070,365,636.82 - Step 5: Solve for x
x = 6,132,070,365,636.82/2,848,889.76 - Step 6: Final answer
x = 2,152,442.14
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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.