Finding the Fourth Proportional to 2,668,427.76, 3,997,619.28 and 1,319,010.80
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Solution
The fourth proportional to 2,668,427.76, 3,997,619.28 and 1,319,010.80 is: 1,976,033.63
Step by Step Solution
- Step 1: Write the proportion equation
2,668,427.76 : 3,997,619.28 = 1,319,010.80 : x - Step 2: Convert to fraction form
2,668,427.76/3,997,619.28 = 1,319,010.80/x - Step 3: Cross multiply
2,668,427.76x = 3,997,619.28 × 1,319,010.80 - Step 4: Simplify right side
2,668,427.76x = 5,272,903,004,608.22 - Step 5: Solve for x
x = 5,272,903,004,608.22/2,668,427.76 - Step 6: Final answer
x = 1,976,033.63
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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.