Finding the Fourth Proportional to 6,117,405.36, 9,176,108.71 and 2,912,816.13
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Solution
The fourth proportional to 6,117,405.36, 9,176,108.71 and 2,912,816.13 is: 4,369,224.51
Step by Step Solution
- Step 1: Write the proportion equation
6,117,405.36 : 9,176,108.71 = 2,912,816.13 : x - Step 2: Convert to fraction form
6,117,405.36/9,176,108.71 = 2,912,816.13/x - Step 3: Cross multiply
6,117,405.36x = 9,176,108.71 × 2,912,816.13 - Step 4: Simplify right side
6,117,405.36x = 26,728,317,461,121.49 - Step 5: Solve for x
x = 26,728,317,461,121.49/6,117,405.36 - Step 6: Final answer
x = 4,369,224.51
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1.5x scale
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.