Finding the Fourth Proportional to 1,769,820.21, 2,653,992.18 and 555,083.87
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Solution
The fourth proportional to 1,769,820.21, 2,653,992.18 and 555,083.87 is: 832,394.29
Step by Step Solution
- Step 1: Write the proportion equation
1,769,820.21 : 2,653,992.18 = 555,083.87 : x - Step 2: Convert to fraction form
1,769,820.21/2,653,992.18 = 555,083.87/x - Step 3: Cross multiply
1,769,820.21x = 2,653,992.18 × 555,083.87 - Step 4: Simplify right side
1,769,820.21x = 1,473,188,236,954.18 - Step 5: Solve for x
x = 1,473,188,236,954.18/1,769,820.21 - Step 6: Final answer
x = 832,394.29
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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.