Finding the Fourth Proportional to 1,905,175.34, 2,629,045.91 and 1,130,839.97
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Solution
The fourth proportional to 1,905,175.34, 2,629,045.91 and 1,130,839.97 is: 1,560,502.14
Step by Step Solution
- Step 1: Write the proportion equation
1,905,175.34 : 2,629,045.91 = 1,130,839.97 : x - Step 2: Convert to fraction form
1,905,175.34/2,629,045.91 = 1,130,839.97/x - Step 3: Cross multiply
1,905,175.34x = 2,629,045.91 × 1,130,839.97 - Step 4: Simplify right side
1,905,175.34x = 2,973,030,197,993.02 - Step 5: Solve for x
x = 2,973,030,197,993.02/1,905,175.34 - Step 6: Final answer
x = 1,560,502.14
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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.