Finding the Fourth Proportional to 1,763,534.38, 2,643,428.58 and 1,121,819.31
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Solution
The fourth proportional to 1,763,534.38, 2,643,428.58 and 1,121,819.31 is: 1,681,537.52
Step by Step Solution
- Step 1: Write the proportion equation
1,763,534.38 : 2,643,428.58 = 1,121,819.31 : x - Step 2: Convert to fraction form
1,763,534.38/2,643,428.58 = 1,121,819.31/x - Step 3: Cross multiply
1,763,534.38x = 2,643,428.58 × 1,121,819.31 - Step 4: Simplify right side
1,763,534.38x = 2,965,449,225,649.88 - Step 5: Solve for x
x = 2,965,449,225,649.88/1,763,534.38 - Step 6: Final answer
x = 1,681,537.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.