Finding the Fourth Proportional to 7,899,405.93, 11,849,551.76 and 2,219,187.38
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Solution
The fourth proportional to 7,899,405.93, 11,849,551.76 and 2,219,187.38 is: 3,328,905.48
Step by Step Solution
- Step 1: Write the proportion equation
7,899,405.93 : 11,849,551.76 = 2,219,187.38 : x - Step 2: Convert to fraction form
7,899,405.93/11,849,551.76 = 2,219,187.38/x - Step 3: Cross multiply
7,899,405.93x = 11,849,551.76 × 2,219,187.38 - Step 4: Simplify right side
7,899,405.93x = 26,296,375,670,749.00 - Step 5: Solve for x
x = 26,296,375,670,749.00/7,899,405.93 - Step 6: Final answer
x = 3,328,905.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.