Finding the Fourth Proportional to 1,636,866.44, 2,258,093.33 and 1,271,791.75
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Solution
The fourth proportional to 1,636,866.44, 2,258,093.33 and 1,271,791.75 is: 1,754,464.74
Step by Step Solution
- Step 1: Write the proportion equation
1,636,866.44 : 2,258,093.33 = 1,271,791.75 : x - Step 2: Convert to fraction form
1,636,866.44/2,258,093.33 = 1,271,791.75/x - Step 3: Cross multiply
1,636,866.44x = 2,258,093.33 × 1,271,791.75 - Step 4: Simplify right side
1,636,866.44x = 2,871,824,455,819.84 - Step 5: Solve for x
x = 2,871,824,455,819.84/1,636,866.44 - Step 6: Final answer
x = 1,754,464.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.