Finding the Fourth Proportional to 1,876,107.76, 2,817,927.12 and 1,119,425.60
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Solution
The fourth proportional to 1,876,107.76, 2,817,927.12 and 1,119,425.60 is: 1,681,385.17
Step by Step Solution
- Step 1: Write the proportion equation
1,876,107.76 : 2,817,927.12 = 1,119,425.60 : x - Step 2: Convert to fraction form
1,876,107.76/2,817,927.12 = 1,119,425.60/x - Step 3: Cross multiply
1,876,107.76x = 2,817,927.12 × 1,119,425.60 - Step 4: Simplify right side
1,876,107.76x = 3,154,459,757,062.27 - Step 5: Solve for x
x = 3,154,459,757,062.27/1,876,107.76 - Step 6: Final answer
x = 1,681,385.17
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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.