Finding the Fourth Proportional to 5,811,945.12, 8,020,867.58 and 3,233,631.28
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Solution
The fourth proportional to 5,811,945.12, 8,020,867.58 and 3,233,631.28 is: 4,462,624.43
Step by Step Solution
- Step 1: Write the proportion equation
5,811,945.12 : 8,020,867.58 = 3,233,631.28 : x - Step 2: Convert to fraction form
5,811,945.12/8,020,867.58 = 3,233,631.28/x - Step 3: Cross multiply
5,811,945.12x = 8,020,867.58 × 3,233,631.28 - Step 4: Simplify right side
5,811,945.12x = 25,936,528,299,425.90 - Step 5: Solve for x
x = 25,936,528,299,425.90/5,811,945.12 - Step 6: Final answer
x = 4,462,624.43
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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.