Finding the Fourth Proportional to 6,191,376.96, 8,543,812.88 and 3,438,239.08
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Solution
The fourth proportional to 6,191,376.96, 8,543,812.88 and 3,438,239.08 is: 4,744,610.37
Step by Step Solution
- Step 1: Write the proportion equation
6,191,376.96 : 8,543,812.88 = 3,438,239.08 : x - Step 2: Convert to fraction form
6,191,376.96/8,543,812.88 = 3,438,239.08/x - Step 3: Cross multiply
6,191,376.96x = 8,543,812.88 × 3,438,239.08 - Step 4: Simplify right side
6,191,376.96x = 29,375,671,336,223.36 - Step 5: Solve for x
x = 29,375,671,336,223.36/6,191,376.96 - Step 6: Final answer
x = 4,744,610.37
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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.