Finding the Fourth Proportional to 2,560,425.82, 3,533,632.07 and 1,399,048.63
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Solution
The fourth proportional to 2,560,425.82, 3,533,632.07 and 1,399,048.63 is: 1,930,820.67
Step by Step Solution
- Step 1: Write the proportion equation
2,560,425.82 : 3,533,632.07 = 1,399,048.63 : x - Step 2: Convert to fraction form
2,560,425.82/3,533,632.07 = 1,399,048.63/x - Step 3: Cross multiply
2,560,425.82x = 3,533,632.07 × 1,399,048.63 - Step 4: Simplify right side
2,560,425.82x = 4,943,723,090,628.24 - Step 5: Solve for x
x = 4,943,723,090,628.24/2,560,425.82 - Step 6: Final answer
x = 1,930,820.67
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1.5x scale
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.