Finding the Fourth Proportional to 5,436,106.74, 8,155,144.35 and 2,239,456.50
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Solution
The fourth proportional to 5,436,106.74, 8,155,144.35 and 2,239,456.50 is: 3,359,590.22
Step by Step Solution
- Step 1: Write the proportion equation
5,436,106.74 : 8,155,144.35 = 2,239,456.50 : x - Step 2: Convert to fraction form
5,436,106.74/8,155,144.35 = 2,239,456.50/x - Step 3: Cross multiply
5,436,106.74x = 8,155,144.35 × 2,239,456.50 - Step 4: Simplify right side
5,436,106.74x = 18,263,091,023,045.77 - Step 5: Solve for x
x = 18,263,091,023,045.77/5,436,106.74 - Step 6: Final answer
x = 3,359,590.22
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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.