Finding the Fourth Proportional to 5,779,145.70, 7,980,581.97 and 4,326,318.81
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Solution
The fourth proportional to 5,779,145.70, 7,980,581.97 and 4,326,318.81 is: 5,974,333.18
Step by Step Solution
- Step 1: Write the proportion equation
5,779,145.70 : 7,980,581.97 = 4,326,318.81 : x - Step 2: Convert to fraction form
5,779,145.70/7,980,581.97 = 4,326,318.81/x - Step 3: Cross multiply
5,779,145.70x = 7,980,581.97 × 4,326,318.81 - Step 4: Simplify right side
5,779,145.70x = 34,526,541,891,557.85 - Step 5: Solve for x
x = 34,526,541,891,557.85/5,779,145.70 - Step 6: Final answer
x = 5,974,333.18
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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.