Finding the Fourth Proportional to 2,287,733.32, 3,157,075.70 and 1,269,138.08
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Solution
The fourth proportional to 2,287,733.32, 3,157,075.70 and 1,269,138.08 is: 1,751,412.61
Step by Step Solution
- Step 1: Write the proportion equation
2,287,733.32 : 3,157,075.70 = 1,269,138.08 : x - Step 2: Convert to fraction form
2,287,733.32/3,157,075.70 = 1,269,138.08/x - Step 3: Cross multiply
2,287,733.32x = 3,157,075.70 × 1,269,138.08 - Step 4: Simplify right side
2,287,733.32x = 4,006,764,992,312.66 - Step 5: Solve for x
x = 4,006,764,992,312.66/2,287,733.32 - Step 6: Final answer
x = 1,751,412.61
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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.