Finding the Fourth Proportional to 6,102,201.89, 8,420,481.65 and 3,620,994.31
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Solution
The fourth proportional to 6,102,201.89, 8,420,481.65 and 3,620,994.31 is: 4,996,641.65
Step by Step Solution
- Step 1: Write the proportion equation
6,102,201.89 : 8,420,481.65 = 3,620,994.31 : x - Step 2: Convert to fraction form
6,102,201.89/8,420,481.65 = 3,620,994.31/x - Step 3: Cross multiply
6,102,201.89x = 8,420,481.65 × 3,620,994.31 - Step 4: Simplify right side
6,102,201.89x = 30,490,516,123,386.31 - Step 5: Solve for x
x = 30,490,516,123,386.31/6,102,201.89 - Step 6: Final answer
x = 4,996,641.65
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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.