Finding the Fourth Proportional to 1,863,493.47, 2,571,605.70 and 1,175,609.67
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Solution
The fourth proportional to 1,863,493.47, 2,571,605.70 and 1,175,609.67 is: 1,622,331.70
Step by Step Solution
- Step 1: Write the proportion equation
1,863,493.47 : 2,571,605.70 = 1,175,609.67 : x - Step 2: Convert to fraction form
1,863,493.47/2,571,605.70 = 1,175,609.67/x - Step 3: Cross multiply
1,863,493.47x = 2,571,605.70 × 1,175,609.67 - Step 4: Simplify right side
1,863,493.47x = 3,023,204,528,347.12 - Step 5: Solve for x
x = 3,023,204,528,347.12/1,863,493.47 - Step 6: Final answer
x = 1,622,331.70
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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.