Finding the Fourth Proportional to 4,538,132.13, 6,809,208.39 and 2,378,644.03
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Solution
The fourth proportional to 4,538,132.13, 6,809,208.39 and 2,378,644.03 is: 3,569,019.68
Step by Step Solution
- Step 1: Write the proportion equation
4,538,132.13 : 6,809,208.39 = 2,378,644.03 : x - Step 2: Convert to fraction form
4,538,132.13/6,809,208.39 = 2,378,644.03/x - Step 3: Cross multiply
4,538,132.13x = 6,809,208.39 × 2,378,644.03 - Step 4: Simplify right side
4,538,132.13x = 16,196,682,885,899.41 - Step 5: Solve for x
x = 16,196,682,885,899.41/4,538,132.13 - Step 6: Final answer
x = 3,569,019.68
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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.