Finding the Fourth Proportional to 2,107,154.70, 2,907,873.48 and 1,140,284.99
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Solution
The fourth proportional to 2,107,154.70, 2,907,873.48 and 1,140,284.99 is: 1,573,593.28
Step by Step Solution
- Step 1: Write the proportion equation
2,107,154.70 : 2,907,873.48 = 1,140,284.99 : x - Step 2: Convert to fraction form
2,107,154.70/2,907,873.48 = 1,140,284.99/x - Step 3: Cross multiply
2,107,154.70x = 2,907,873.48 × 1,140,284.99 - Step 4: Simplify right side
2,107,154.70x = 3,315,804,482,063.07 - Step 5: Solve for x
x = 3,315,804,482,063.07/2,107,154.70 - Step 6: Final answer
x = 1,573,593.28
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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.