Finding the Fourth Proportional to 2,776,921.08, 4,169,236.50 and 1,430,046.60
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Solution
The fourth proportional to 2,776,921.08, 4,169,236.50 and 1,430,046.60 is: 2,147,055.07
Step by Step Solution
- Step 1: Write the proportion equation
2,776,921.08 : 4,169,236.50 = 1,430,046.60 : x - Step 2: Convert to fraction form
2,776,921.08/4,169,236.50 = 1,430,046.60/x - Step 3: Cross multiply
2,776,921.08x = 4,169,236.50 × 1,430,046.60 - Step 4: Simplify right side
2,776,921.08x = 5,962,202,481,420.90 - Step 5: Solve for x
x = 5,962,202,481,420.90/2,776,921.08 - Step 6: Final answer
x = 2,147,055.07
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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.