Finding the Fourth Proportional to 7,634,106.78, 11,450,896.65 and 1,954,380.06
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Solution
The fourth proportional to 7,634,106.78, 11,450,896.65 and 1,954,380.06 is: 2,931,502.63
Step by Step Solution
- Step 1: Write the proportion equation
7,634,106.78 : 11,450,896.65 = 1,954,380.06 : x - Step 2: Convert to fraction form
7,634,106.78/11,450,896.65 = 1,954,380.06/x - Step 3: Cross multiply
7,634,106.78x = 11,450,896.65 × 1,954,380.06 - Step 4: Simplify right side
7,634,106.78x = 22,379,404,081,880.80 - Step 5: Solve for x
x = 22,379,404,081,880.80/7,634,106.78 - Step 6: Final answer
x = 2,931,502.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.