Finding the Fourth Proportional to 1,918,051.68, 2,646,997.68 and 1,102,520.16
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Solution
The fourth proportional to 1,918,051.68, 2,646,997.68 and 1,102,520.16 is: 1,521,527.46
Step by Step Solution
- Step 1: Write the proportion equation
1,918,051.68 : 2,646,997.68 = 1,102,520.16 : x - Step 2: Convert to fraction form
1,918,051.68/2,646,997.68 = 1,102,520.16/x - Step 3: Cross multiply
1,918,051.68x = 2,646,997.68 × 1,102,520.16 - Step 4: Simplify right side
1,918,051.68x = 2,918,368,305,673.23 - Step 5: Solve for x
x = 2,918,368,305,673.23/1,918,051.68 - Step 6: Final answer
x = 1,521,527.46
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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.