Finding the Fourth Proportional to 6,326,954.21, 8,731,151.16 and 3,426,277.79
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Solution
The fourth proportional to 6,326,954.21, 8,731,151.16 and 3,426,277.79 is: 4,728,238.63
Step by Step Solution
- Step 1: Write the proportion equation
6,326,954.21 : 8,731,151.16 = 3,426,277.79 : x - Step 2: Convert to fraction form
6,326,954.21/8,731,151.16 = 3,426,277.79/x - Step 3: Cross multiply
6,326,954.21x = 8,731,151.16 × 3,426,277.79 - Step 4: Simplify right side
6,326,954.21x = 29,915,349,300,640.74 - Step 5: Solve for x
x = 29,915,349,300,640.74/6,326,954.21 - Step 6: Final answer
x = 4,728,238.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.