Finding the Fourth Proportional to 1,997,562.36, 2,756,634.73 and 1,079,791.46
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Solution
The fourth proportional to 1,997,562.36, 2,756,634.73 and 1,079,791.46 is: 1,490,111.49
Step by Step Solution
- Step 1: Write the proportion equation
1,997,562.36 : 2,756,634.73 = 1,079,791.46 : x - Step 2: Convert to fraction form
1,997,562.36/2,756,634.73 = 1,079,791.46/x - Step 3: Cross multiply
1,997,562.36x = 2,756,634.73 × 1,079,791.46 - Step 4: Simplify right side
1,997,562.36x = 2,976,590,633,648.13 - Step 5: Solve for x
x = 2,976,590,633,648.13/1,997,562.36 - Step 6: Final answer
x = 1,490,111.49
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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.