Finding the Fourth Proportional to 1,365,841.58, 1,884,811.97 and 753,981.21
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Solution
The fourth proportional to 1,365,841.58, 1,884,811.97 and 753,981.21 is: 1,040,466.79
Step by Step Solution
- Step 1: Write the proportion equation
1,365,841.58 : 1,884,811.97 = 753,981.21 : x - Step 2: Convert to fraction form
1,365,841.58/1,884,811.97 = 753,981.21/x - Step 3: Cross multiply
1,365,841.58x = 1,884,811.97 × 753,981.21 - Step 4: Simplify right side
1,365,841.58x = 1,421,112,802,223.98 - Step 5: Solve for x
x = 1,421,112,802,223.98/1,365,841.58 - Step 6: Final answer
x = 1,040,466.79
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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.