Finding the Fourth Proportional to 1,675,740.96, 2,312,571.60 and 911,844
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Solution
The fourth proportional to 1,675,740.96, 2,312,571.60 and 911,844 is: 1,258,371.42
Step by Step Solution
- Step 1: Write the proportion equation
1,675,740.96 : 2,312,571.60 = 911,844 : x - Step 2: Convert to fraction form
1,675,740.96/2,312,571.60 = 911,844/x - Step 3: Cross multiply
1,675,740.96x = 2,312,571.60 × 911,844 - Step 4: Simplify right side
1,675,740.96x = 2,108,704,538,030.40 - Step 5: Solve for x
x = 2,108,704,538,030.40/1,675,740.96 - Step 6: Final answer
x = 1,258,371.42
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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.