Finding the Fourth Proportional to 5,382,681.12, 8,075,580.12 and 1,596,255.12
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Solution
The fourth proportional to 5,382,681.12, 8,075,580.12 and 1,596,255.12 is: 2,394,844.84
Step by Step Solution
- Step 1: Write the proportion equation
5,382,681.12 : 8,075,580.12 = 1,596,255.12 : x - Step 2: Convert to fraction form
5,382,681.12/8,075,580.12 = 1,596,255.12/x - Step 3: Cross multiply
5,382,681.12x = 8,075,580.12 × 1,596,255.12 - Step 4: Simplify right side
5,382,681.12x = 12,890,686,113,520.21 - Step 5: Solve for x
x = 12,890,686,113,520.21/5,382,681.12 - Step 6: Final answer
x = 2,394,844.84
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1.5x scale
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.