Finding the Fourth Proportional to 1,752,885.89, 2,418,918.99 and 1,099,863.92
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Solution
The fourth proportional to 1,752,885.89, 2,418,918.99 and 1,099,863.92 is: 1,517,772.34
Step by Step Solution
- Step 1: Write the proportion equation
1,752,885.89 : 2,418,918.99 = 1,099,863.92 : x - Step 2: Convert to fraction form
1,752,885.89/2,418,918.99 = 1,099,863.92/x - Step 3: Cross multiply
1,752,885.89x = 2,418,918.99 × 1,099,863.92 - Step 4: Simplify right side
1,752,885.89x = 2,660,481,722,503.84 - Step 5: Solve for x
x = 2,660,481,722,503.84/1,752,885.89 - Step 6: Final answer
x = 1,517,772.34
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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.