Finding the Fourth Proportional to 4,342,581.62, 6,513,927.86 and 1,147,680.19
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Solution
The fourth proportional to 4,342,581.62, 6,513,927.86 and 1,147,680.19 is: 1,721,534.93
Step by Step Solution
- Step 1: Write the proportion equation
4,342,581.62 : 6,513,927.86 = 1,147,680.19 : x - Step 2: Convert to fraction form
4,342,581.62/6,513,927.86 = 1,147,680.19/x - Step 3: Cross multiply
4,342,581.62x = 6,513,927.86 × 1,147,680.19 - Step 4: Simplify right side
4,342,581.62x = 7,475,905,964,011.09 - Step 5: Solve for x
x = 7,475,905,964,011.09/4,342,581.62 - Step 6: Final answer
x = 1,721,534.93
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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.