Finding the Fourth Proportional to 1,450,555.56, 2,000,932.74 and 905,745.51
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Solution
The fourth proportional to 1,450,555.56, 2,000,932.74 and 905,745.51 is: 1,249,408.09
Step by Step Solution
- Step 1: Write the proportion equation
1,450,555.56 : 2,000,932.74 = 905,745.51 : x - Step 2: Convert to fraction form
1,450,555.56/2,000,932.74 = 905,745.51/x - Step 3: Cross multiply
1,450,555.56x = 2,000,932.74 × 905,745.51 - Step 4: Simplify right side
1,450,555.56x = 1,812,335,845,067.00 - Step 5: Solve for x
x = 1,812,335,845,067.00/1,450,555.56 - Step 6: Final answer
x = 1,249,408.09
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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.