Finding the Fourth Proportional to 6,117,409.98, 9,176,115.65 and 2,912,820.75
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Solution
The fourth proportional to 6,117,409.98, 9,176,115.65 and 2,912,820.75 is: 4,369,231.45
Step by Step Solution
- Step 1: Write the proportion equation
6,117,409.98 : 9,176,115.65 = 2,912,820.75 : x - Step 2: Convert to fraction form
6,117,409.98/9,176,115.65 = 2,912,820.75/x - Step 3: Cross multiply
6,117,409.98x = 9,176,115.65 × 2,912,820.75 - Step 4: Simplify right side
6,117,409.98x = 26,728,380,055,155.63 - Step 5: Solve for x
x = 26,728,380,055,155.63/6,117,409.98 - Step 6: Final answer
x = 4,369,231.45
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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.