Finding the Fourth Proportional to 6,449,709.12, 9,675,963.24 and 1,961,868.48
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Solution
The fourth proportional to 6,449,709.12, 9,675,963.24 and 1,961,868.48 is: 2,943,228.44
Step by Step Solution
- Step 1: Write the proportion equation
6,449,709.12 : 9,675,963.24 = 1,961,868.48 : x - Step 2: Convert to fraction form
6,449,709.12/9,675,963.24 = 1,961,868.48/x - Step 3: Cross multiply
6,449,709.12x = 9,675,963.24 × 1,961,868.48 - Step 4: Simplify right side
6,449,709.12x = 18,982,967,294,194.68 - Step 5: Solve for x
x = 18,982,967,294,194.68/6,449,709.12 - Step 6: Final answer
x = 2,943,228.44
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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.