Finding the Fourth Proportional to 7,658,245.49, 11,489,611.84 and 2,470,749.83
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Solution
The fourth proportional to 7,658,245.49, 11,489,611.84 and 2,470,749.83 is: 3,706,848.59
Step by Step Solution
- Step 1: Write the proportion equation
7,658,245.49 : 11,489,611.84 = 2,470,749.83 : x - Step 2: Convert to fraction form
7,658,245.49/11,489,611.84 = 2,470,749.83/x - Step 3: Cross multiply
7,658,245.49x = 11,489,611.84 × 2,470,749.83 - Step 4: Simplify right side
7,658,245.49x = 28,387,956,500,445.99 - Step 5: Solve for x
x = 28,387,956,500,445.99/7,658,245.49 - Step 6: Final answer
x = 3,706,848.59
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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.