Finding the Fourth Proportional to 6,458,195.37, 9,687,646.62 and 2,619,447.84
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Solution
The fourth proportional to 6,458,195.37, 9,687,646.62 and 2,619,447.84 is: 3,929,315.17
Step by Step Solution
- Step 1: Write the proportion equation
6,458,195.37 : 9,687,646.62 = 2,619,447.84 : x - Step 2: Convert to fraction form
6,458,195.37/9,687,646.62 = 2,619,447.84/x - Step 3: Cross multiply
6,458,195.37x = 9,687,646.62 × 2,619,447.84 - Step 4: Simplify right side
6,458,195.37x = 25,376,285,013,442.30 - Step 5: Solve for x
x = 25,376,285,013,442.30/6,458,195.37 - Step 6: Final answer
x = 3,929,315.17
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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.