Finding the Fourth Proportional to 1,642,048.92, 2,265,757.08 and 916,780.14
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Solution
The fourth proportional to 1,642,048.92, 2,265,757.08 and 916,780.14 is: 1,265,005.61
Step by Step Solution
- Step 1: Write the proportion equation
1,642,048.92 : 2,265,757.08 = 916,780.14 : x - Step 2: Convert to fraction form
1,642,048.92/2,265,757.08 = 916,780.14/x - Step 3: Cross multiply
1,642,048.92x = 2,265,757.08 × 916,780.14 - Step 4: Simplify right side
1,642,048.92x = 2,077,201,093,008.39 - Step 5: Solve for x
x = 2,077,201,093,008.39/1,642,048.92 - Step 6: Final answer
x = 1,265,005.61
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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.