Finding the Fourth Proportional to 6,644,563.24, 9,169,582.98 and 3,928,285.48
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Solution
The fourth proportional to 6,644,563.24, 9,169,582.98 and 3,928,285.48 is: 5,421,084.63
Step by Step Solution
- Step 1: Write the proportion equation
6,644,563.24 : 9,169,582.98 = 3,928,285.48 : x - Step 2: Convert to fraction form
6,644,563.24/9,169,582.98 = 3,928,285.48/x - Step 3: Cross multiply
6,644,563.24x = 9,169,582.98 × 3,928,285.48 - Step 4: Simplify right side
6,644,563.24x = 36,020,739,677,989.13 - Step 5: Solve for x
x = 36,020,739,677,989.13/6,644,563.24 - Step 6: Final answer
x = 5,421,084.63
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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.