Finding the Fourth Proportional to 6,116,447.97, 9,168,611.76 and 2,872,178.07
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Solution
The fourth proportional to 6,116,447.97, 9,168,611.76 and 2,872,178.07 is: 4,305,421.34
Step by Step Solution
- Step 1: Write the proportion equation
6,116,447.97 : 9,168,611.76 = 2,872,178.07 : x - Step 2: Convert to fraction form
6,116,447.97/9,168,611.76 = 2,872,178.07/x - Step 3: Cross multiply
6,116,447.97x = 9,168,611.76 × 2,872,178.07 - Step 4: Simplify right side
6,116,447.97x = 26,333,885,629,416.10 - Step 5: Solve for x
x = 26,333,885,629,416.10/6,116,447.97 - Step 6: Final answer
x = 4,305,421.34
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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.