Finding the Fourth Proportional to 3,415,034.94, 4,712,762.79 and 1,866,327.42
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Solution
The fourth proportional to 3,415,034.94, 4,712,762.79 and 1,866,327.42 is: 2,575,539.80
Step by Step Solution
- Step 1: Write the proportion equation
3,415,034.94 : 4,712,762.79 = 1,866,327.42 : x - Step 2: Convert to fraction form
3,415,034.94/4,712,762.79 = 1,866,327.42/x - Step 3: Cross multiply
3,415,034.94x = 4,712,762.79 × 1,866,327.42 - Step 4: Simplify right side
3,415,034.94x = 8,795,558,418,932.70 - Step 5: Solve for x
x = 8,795,558,418,932.70/3,415,034.94 - Step 6: Final answer
x = 2,575,539.80
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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.