Finding the Fourth Proportional to 6,626,408.88, 9,939,835.68 and 1,833,696.81
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Solution
The fourth proportional to 6,626,408.88, 9,939,835.68 and 1,833,696.81 is: 2,750,606.75
Step by Step Solution
- Step 1: Write the proportion equation
6,626,408.88 : 9,939,835.68 = 1,833,696.81 : x - Step 2: Convert to fraction form
6,626,408.88/9,939,835.68 = 1,833,696.81/x - Step 3: Cross multiply
6,626,408.88x = 9,939,835.68 × 1,833,696.81 - Step 4: Simplify right side
6,626,408.88x = 18,226,644,978,340.18 - Step 5: Solve for x
x = 18,226,644,978,340.18/6,626,408.88 - Step 6: Final answer
x = 2,750,606.75
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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.