Finding the Fourth Proportional to 1,969,471.18, 2,717,791.17 and 1,110,209.38
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Solution
The fourth proportional to 1,969,471.18, 2,717,791.17 and 1,110,209.38 is: 1,532,044.38
Step by Step Solution
- Step 1: Write the proportion equation
1,969,471.18 : 2,717,791.17 = 1,110,209.38 : x - Step 2: Convert to fraction form
1,969,471.18/2,717,791.17 = 1,110,209.38/x - Step 3: Cross multiply
1,969,471.18x = 2,717,791.17 × 1,110,209.38 - Step 4: Simplify right side
1,969,471.18x = 3,017,317,249,815.17 - Step 5: Solve for x
x = 3,017,317,249,815.17/1,969,471.18 - Step 6: Final answer
x = 1,532,044.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.