Finding the Fourth Proportional to 2,961,848.09, 4,442,937.08 and 831,765.38
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Solution
The fourth proportional to 2,961,848.09, 4,442,937.08 and 831,765.38 is: 1,247,694.38
Step by Step Solution
- Step 1: Write the proportion equation
2,961,848.09 : 4,442,937.08 = 831,765.38 : x - Step 2: Convert to fraction form
2,961,848.09/4,442,937.08 = 831,765.38/x - Step 3: Cross multiply
2,961,848.09x = 4,442,937.08 × 831,765.38 - Step 4: Simplify right side
2,961,848.09x = 3,695,481,222,288.78 - Step 5: Solve for x
x = 3,695,481,222,288.78/2,961,848.09 - Step 6: Final answer
x = 1,247,694.38
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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.