Finding the Fourth Proportional to 1,534,013.73, 2,117,011.02 and 854,955.09
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Solution
The fourth proportional to 1,534,013.73, 2,117,011.02 and 854,955.09 is: 1,179,878.19
Step by Step Solution
- Step 1: Write the proportion equation
1,534,013.73 : 2,117,011.02 = 854,955.09 : x - Step 2: Convert to fraction form
1,534,013.73/2,117,011.02 = 854,955.09/x - Step 3: Cross multiply
1,534,013.73x = 2,117,011.02 × 854,955.09 - Step 4: Simplify right side
1,534,013.73x = 1,809,949,347,135.09 - Step 5: Solve for x
x = 1,809,949,347,135.09/1,534,013.73 - Step 6: Final answer
x = 1,179,878.19
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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.