Finding the Fourth Proportional to 3,181,605.74, 4,772,418.55 and 785,450.66
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Solution
The fourth proportional to 3,181,605.74, 4,772,418.55 and 785,450.66 is: 1,178,178.44
Step by Step Solution
- Step 1: Write the proportion equation
3,181,605.74 : 4,772,418.55 = 785,450.66 : x - Step 2: Convert to fraction form
3,181,605.74/4,772,418.55 = 785,450.66/x - Step 3: Cross multiply
3,181,605.74x = 4,772,418.55 × 785,450.66 - Step 4: Simplify right side
3,181,605.74x = 3,748,499,299,893.74 - Step 5: Solve for x
x = 3,748,499,299,893.74/3,181,605.74 - Step 6: Final answer
x = 1,178,178.44
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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.