Finding the Fourth Proportional to 3,111,952.80, 4,668,075.12 and 1,512,609.44
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Solution
The fourth proportional to 3,111,952.80, 4,668,075.12 and 1,512,609.44 is: 2,268,985.09
Step by Step Solution
- Step 1: Write the proportion equation
3,111,952.80 : 4,668,075.12 = 1,512,609.44 : x - Step 2: Convert to fraction form
3,111,952.80/4,668,075.12 = 1,512,609.44/x - Step 3: Cross multiply
3,111,952.80x = 4,668,075.12 × 1,512,609.44 - Step 4: Simplify right side
3,111,952.80x = 7,060,974,493,141.13 - Step 5: Solve for x
x = 7,060,974,493,141.13/3,111,952.80 - Step 6: Final answer
x = 2,268,985.09
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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.