Finding the Fourth Proportional to 1,415,325.38, 1,953,231.11 and 1,065,840.09
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Solution
The fourth proportional to 1,415,325.38, 1,953,231.11 and 1,065,840.09 is: 1,470,921.14
Step by Step Solution
- Step 1: Write the proportion equation
1,415,325.38 : 1,953,231.11 = 1,065,840.09 : x - Step 2: Convert to fraction form
1,415,325.38/1,953,231.11 = 1,065,840.09/x - Step 3: Cross multiply
1,415,325.38x = 1,953,231.11 × 1,065,840.09 - Step 4: Simplify right side
1,415,325.38x = 2,081,832,016,744.00 - Step 5: Solve for x
x = 2,081,832,016,744.00/1,415,325.38 - Step 6: Final answer
x = 1,470,921.14
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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.